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It has become the largest of the world's religions and, geographically, the most widely diffused of all faiths.

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Christians are monotheistic, they believe there's only one God, and he created the heavens and the earth.
The essence of Christianity revolves around the life, death and Christian beliefs on the resurrection of Jesus.

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there is about 2.4 billion people that believe and follow this religion/ culture.

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Christians believe in one God that created heaven, earth and the universe. The belief in one God originated with the Jewish religion. Christians believe Jesus is the “Messiah” or savior of the world. They also believe that he is the son of God.

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there are about 1.9 billion followers

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there are about 470 million followers

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Bhutan

Myanmar

Cambodia

Mainland China

Hong Kong

Japan

Tibet

Laos

Macau

Mongolia

Singapore

Sri Lanka

Taiwan

Thailand

Kalmykia

Vietnam

North Korea

Nepal

India

South Korea.

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Maldives

Mauritania

Somalia

Tunisia

Afghanistan

Algeria

Iran

Yemen

Asia

Africa

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The word “Islam” means “submission to the will of God.”

Muslims believe that there is one god who created the universe

Followers of Islam are called Muslims

Muslims are monotheistic and worship one, all-knowing God, who in Arabic is known as Allah

Islam is one of the fastest growing religions in the world!

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Islam was founded by the prophet Mohammed, who was born in Mecca around A.D. 570 and settled in Medina around 622.

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Profession of Faith (shahada)
Prayer (salat)
Alms (zakat)
Fasting (sawm)
Pilgrimage (hajj).

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Not killing any living being

Not stealing from anyone

Not having too much sensual pleasure

Refrain from wrong speech

Refrain from intoxicants that cloud the mind

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Buddhism is the 4th largest religion             Buddhists don't believe in a supreme being or creator god

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Buddhism ( BUUD-ih-zəm, BOOD-),[1][2][3] also known as Buddha Dharma, and Dharmavinaya (transl. “doctrines and disciplines”), is an Indian religion or philosophical tradition based on teachings attributed to the Buddha.[4] It originated in the eastern Gangetic plain as a śramaṇa–movement in the 5th…

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Buddhism Beliefs and Practices

Some key Buddhism beliefs include:

Followers of Buddhism don't acknowledge a supreme god or deity. They instead focus on achieving enlightenment-a state of inner peace and wisdom. When followers reach this spiritual echelon, they're said to have experienced nirvana.

The religion's founder, Buddha, is considered an extraordinary being, but not a god. The word Buddha means "enlightened."

The path to enlightenment is attained by utilizing morality, meditation and wisdom. Buddhists often meditate because they believe it helps awaken truth.

There are many philosophies and interpretations within Buddhism, making it a tolerant and evolving religion.

Some scholars don't recognize Buddhism as an organized religion, but rather, a "way of life" or a "spiritual tradition."

Buddhism encourages its people to avoid self-indulgence but also self-denial.

Buddha's most important teachings, known as The Four Noble Truths, are essential to understanding the religion.

Buddhists embrace the concepts of karma (the law of cause and effect) and reincarnation (the continuous cycle of rebirth).

Followers of Buddhism can worship in temples or in their own homes.

Buddhist monks, or bhikkhus, follow a strict code of conduct, which includes celibacy.

There is no single Buddhist symbol, but a number of images have evolved that represent Buddhist beliefs, including the lotus flower, the eight-spoked dharma wheel, the Bodhi tree and the swastika (an ancient symbol whose name means "well-being" or "good fortune" in Sanskrit).

Founder of Buddhism

Siddhartha Gautama, the founder of Buddhism who later became known as "the Buddha," lived during the 5th century B.C.

Gautama was born into a wealthy family as a prince in present-day Nepal. Although he had an easy life, Gautama was moved by suffering in the world.

He decided to give up his lavish lifestyle and endure poverty. When this didn't fulfill him, he promoted the idea of the "Middle Way," which means existing between two extremes. Thus, he sought a life without social indulgences but also without deprivation.

After six years of searching, Buddhists believe Gautama found enlightenment while meditating under a Bodhi tree. He spent the rest of his life teaching others about how to achieve this spiritual state.

When Gautama passed away around 483 B.C., his followers began to organize a religious movement. Buddha's teachings became the foundation for what would develop into Buddhism.

In the 3rd century B.C., Ashoka the Great, the Mauryan Indian emperor, made Buddhism the state religion of India. Buddhist monasteries were built, and missionary work was encouraged.

Over the next few centuries, Buddhism began to spread beyond India. The thoughts and philosophies of Buddhists became diverse, with some followers interpreting ideas differently than others.

In the sixth century, the Huns invaded India and destroyed hundreds of Buddhist monasteries, but the intruders were eventually driven out of the country.

Islam began to spread quickly in the region during the Middle Ages, forcing Buddhism into the background.

Types of Buddhism

Today, many forms of Buddhism exist around the world. The three main types that represent specific geographical areas include:

Theravada Buddhism: Prevalent in Thailand, Sri Lanka, Cambodia, Laos and Burma

Mahayana Buddhism: Prevalent in China, Japan, Taiwan, Korea, Singapore and Vietnam

Tibetan Buddhism: Prevalent in Tibet, Nepal, Mongolia, Bhutan, and parts of Russia and northern India

Zen Buddhism is a form of Mahayana Buddhism that's practiced in many of the same areas. It emphasizes simplicity and meditation-the word "zen" means meditation-in lieu of religious scripture, ceremonies or doctrines.

Nirvana Buddhism is closely related to Theravada Buddhism, but the concept of nirvana is also central to many paths of Buddhism. The term nirvana means "blowing out," as a candle is blown out, thus ending all attachment and desire to achieve a state of pure enlightenment.

Each of these types reveres certain texts and has slightly different interpretations of Buddha's teachings.

Some forms of Buddhism incorporate ideas of other religions and philosophies, such as Taoism and Bon.

Dharma

Buddha's teachings are known as "dharma." He taught that wisdom, kindness, patience, generosity and compassion were important virtues.

Specifically, all Buddhists live by five moral precepts, which prohibit:

Killing living things

Taking what is not given

Sexual misconduct

Lying

Using drugs or alcohol

Four Noble Truths

The Four Noble Truths, which Buddha taught, are:

The truth of suffering (dukkha)

The truth of the cause of suffering (samudaya)

The truth of the end of suffering (nirhodha)

The truth of the path that frees us from suffering (magga)

Collectively, these principles explain why humans hurt and how to overcome suffering.

Eightfold Path

The Buddha taught his followers that the end of suffering, as described in the fourth Noble Truths, could be achieved by following an Eightfold Path.

In no particular order, the Eightfold Path of Buddhism teaches the following ideals for ethical conduct, mental disciple and achieving wisdom:

Right understanding (Samma ditthi)

Right thought (Samma sankappa)

Right speech (Samma vaca)

Right action (Samma kammanta)

Right livelihood (Samma ajiva)

Right effort (Samma vayama)

Right mindfulness (Samma sati)

Right concentration (Samma samadhi)

Buddhist Holy Book

Buddhists revere many sacred texts and scriptures. Some of the most important are:

Tipitaka: These texts, known as the "three baskets," are thought to be the earliest collection of Buddhist writings.

Sutras: There are more than 2,000 sutras, which are sacred teachings embraced mainly by Mahayana Buddhists.

The Book of the Dead: This Tibetan text describes the stages of death in detail.

Dalai Lama

The Dalai Lama is the leading monk in Tibetan Buddhism. Followers of the religion believe the Dalai Lama is a reincarnation of a past lama that has agreed to be born again to help humanity. There have been 14 Dalai Lamas throughout history.

The Dalai Lama also governed Tibet until the Chinese took control in 1959. The current Dalai Lama, Lhamo Thondup, was born in 1935.

Buddhist Holidays

Every year, Buddhists celebrate Vesak, a festival that commemorates Buddha's birth, enlightenment and death.

During each quarter of the moon, followers of Buddhism participate in a ceremony called Uposatha. This observance allows Buddhists to renew their commitment to their teachings.

They also celebrate the Buddhist New Year and participate in several other yearly festivals.

Sources

Buddhism: An Introduction, PBS.
Buddhism, Ancient History Encyclopedia.
The History of Buddha, History Cooperative.
Demographics of Buddhism, Georgetown University Berkley Center for Religion, Peace, & World Affairs.
Religions: Buddhism, BBC.
Buddhist Scriptures, Georgetown University Berkley Center for Religion, Peace, & World Affairs.
The Noble Eightfold Path: Tricycle.
What Is Zen Buddhism and How Do You Practice It? Lion's Roar.

Fact Check

We strive for accuracy and fairness. But if you see something that doesn't look right, click here to contact us! HISTORY reviews and updates its content regularly to ensure it is complete and accurate.

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Buddhism - Definition, Founder & Origins

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Buddhism is a religion that was founded by Siddhartha Gautama ("The Buddha") more than 2,500 years ago in India. With about 470 million followers, scholars consider Buddhism one of the major world religions.

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Islam - Five Pillars, Nation of Islam & Definition

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Islam is the second largest religion in the world after Christianity, with about 1.8 billion Muslims worldwide. Although its roots go back further, scholars typically date the creation of Islam to the 7th century, making it the youngest of the major world religions.

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Islam, major world religion promulgated by the Prophet Muhammad in Arabia in the 7th century ce. The Arabic term islām, literally "surrender," illuminates the fundamental religious idea of Islam-that the believer (called a Muslim, from the active particle of islām) accepts surrender to the will of Allah (in Arabic, Allāh: God). Allah is viewed as the sole God-creator, sustainer, and restorer of the world. The will of Allah, to which human beings must submit, is made known through the sacred scriptures, the Qurʾān (often spelled Koran in English), which Allah revealed to his messenger, Muhammad. In Islam Muhammad is considered the last of a series of prophets (including Adam, Noah, Abraham, Moses, Solomon, and Jesus), and his message simultaneously consummates and completes the "revelations" attributed to earlier prophets.

Retaining its emphasis on an uncompromising monotheism and a strict adherence to certain essential religious practices, the religion taught by Muhammad to a small group of followers spread rapidly through the Middle East to Africa, Europe, the Indian subcontinent, the Malay Peninsula, and China. By the early 21st century there were more than 1.5 billion Muslims worldwide. Although many sectarian movements have arisen within Islam, all Muslims are bound by a common faith and a sense of belonging to a single community.

This article deals with the fundamental beliefs and practices of Islam and with the connection of religion and society in the Islamic world. The history of the various peoples who embraced Islam is covered in the article Islamic world.

The foundations of Islam

The legacy of Muhammad

From the very beginning of Islam, Muhammad had inculcated a sense of brotherhood and a bond of faith among his followers, both of which helped to develop among them a feeling of close relationship that was accentuated by their experiences of persecution as a nascent community in Mecca. The strong attachment to the tenets of the Qurʾānic revelation and the conspicuous socioeconomic content of Islamic religious practices cemented this bond of faith. In 622 ce, when the Prophet migrated to Medina, his preaching was soon accepted, and the community-state of Islam emerged. During this early period, Islam acquired its characteristic ethos as a religion uniting in itself both the spiritual and temporal aspects of life and seeking to regulate not only the individual's relationship to God (through conscience) but human relationships in a social setting as well. Thus, there is not only an Islamic religious institution but also an Islamic law, state, and other institutions governing society. Not until the 20th century were the religious (private) and the secular (public) distinguished by some Muslim thinkers and separated formally in certain places such as Turkey.

This dual religious and social character of Islam, expressing itself in one way as a religious community commissioned by God to bring its own value system to the world through the jihād ("exertion," commonly translated as "holy war" or "holy struggle"), explains the astonishing success of the early generations of Muslims. Within a century after the Prophet's death in 632 ce, they had brought a large part of the globe-from Spain across Central Asia to India-under a new Arab Muslim empire.

The period of Islamic conquests and empire building marks the first phase of the expansion of Islam as a religion. Islam's essential egalitarianism within the community of the faithful and its official discrimination against the followers of other religions won rapid converts. Jews and Christians were assigned a special status as communities possessing scriptures and were called the "people of the Book" (ahl al-kitāb) and, therefore, were allowed religious autonomy. They were, however, required to pay a per capita tax called jizyah, as opposed to pagans, who were required to either accept Islam or die. The same status of the "people of the Book" was later extended in particular times and places to Zoroastrians and Hindus, but many "people of the Book" joined Islam in order to escape the disability of the jizyah. A much more massive expansion of Islam after the 12th century was inaugurated by the Sufis (Muslim mystics), who were mainly responsible for the spread of Islam in India, Central Asia, Turkey, and sub-Saharan Africa ( see below).

Beside the jihad and Sufi missionary activity, another factor in the spread of Islam was the far-ranging influence of Muslim traders, who not only introduced Islam quite early to the Indian east coast and South India but also proved to be the main catalytic agents (beside the Sufis) in converting people to Islam in Indonesia, Malaya, and China. Islam was introduced to Indonesia in the 14th century, hardly having time to consolidate itself there politically before the region came under Dutch hegemony.

The vast variety of races and cultures embraced by Islam (an estimated total of more than 1.5 billion persons worldwide in the early 21st century) has produced important internal differences. All segments of Muslim society, however, are bound by a common faith and a sense of belonging to a single community. With the loss of political power during the period of Western colonialism in the 19th and 20th centuries, the concept of the Islamic community (ummah), instead of weakening, became stronger. The faith of Islam helped various Muslim peoples in their struggle to gain political freedom in the mid-20th century, and the unity of Islam contributed to later political solidarity.

Sources of Islamic doctrinal and social views

Islamic doctrine, law, and thinking in general are based upon four sources, or fundamental principles (uṣūl): (1) the Qurʾān, (2) the Sunnah ("Traditions"), (3) ijmāʿ ("consensus"), and (4) ijtihād ("individual thought").

The Qurʾān (literally, "reading" or "recitation") is regarded as the verbatim word, or speech, of God delivered to Muhammad by the archangel Gabriel. Divided into 114 suras (chapters) of unequal length, it is the fundamental source of Islamic teaching. The suras revealed at Mecca during the earliest part of Muhammad's career are concerned mostly with ethical and spiritual teachings and the Day of Judgment. The suras revealed at Medina at a later period in the career of the Prophet are concerned for the most part with social legislation and the politico-moral principles for constituting and ordering the community.

Sunnah ("a well-trodden path") was used by pre-Islamic Arabs to denote their tribal or common law. In Islam it came to mean the example of the Prophet-i.e., his words and deeds as recorded in compilations known as Hadith (in Arabic, Ḥadīth: literally, "report"; a collection of sayings attributed to the Prophet). Hadith provide the written documentation of the Prophet's words and deeds. Six of these collections, compiled in the 3rd century ah (9th century ce), came to be regarded as especially authoritative by the largest group in Islam, the Sunnis. Another large group, the Shiʿah, has its own Hadith contained in four canonical collections.

The doctrine of ijmāʿ, or consensus, was introduced in the 2nd century ah (8th century ce) in order to standardize legal theory and practice and to overcome individual and regional differences of opinion. Though conceived as a "consensus of scholars," ijmāʿ was in actual practice a more fundamental operative factor. From the 3rd century ah ijmāʿ has amounted to a principle of stability in thinking; points on which consensus was reached in practice were considered closed and further substantial questioning of them prohibited. Accepted interpretations of the Qurʾān and the actual content of the Sunnah (i.e., Hadith and theology) all rest finally on the ijmāʿ in the sense of the acceptance of the authority of their community.

Ijtihād, meaning "to endeavour" or "to exert effort," was required to find the legal or doctrinal solution to a new problem. In the early period of Islam, because ijtihād took the form of individual opinion (raʾy), there was a wealth of conflicting and chaotic opinions. In the 2nd century ah ijtihād was replaced by qiyās (reasoning by strict analogy), a formal procedure of deduction based on the texts of the Qurʾān and the Hadith. The transformation of ijmāʿ into a conservative mechanism and the acceptance of a definitive body of Hadith virtually closed the "gate of ijtihād" in Sunni Islam while ijtihād continued in Shiʿism. Nevertheless, certain outstanding Muslim thinkers (e.g., al-Ghazālī in the 11th-12th century) continued to claim the right of new ijtihād for themselves, and reformers in the 18th-20th centuries, because of modern influences, caused this principle once more to receive wider acceptance.

The Qurʾān and Hadith are discussed below. The significance of ijmāʿ and ijtihād are discussed below in the contexts of Islamic theology, philosophy, and law.

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Islam | Religion, Beliefs, Practices, & Facts

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Islam, major world religion that emphasizes monotheism, the unity of God ('Allah' in Arabic), and Muhammad as his final messenger in a series of revelations. As the literal word of God, the Qur'an makes known the will of God, to which humans must surrender (lending the name Islam, meaning 'surrender').

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https://en.wikipedia.org/wiki/Islam

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'Submission [to the Islam (; Arabic: ۘالِإسْلَام, al-ʾIslām , transl. will of God]') is an Abrahamic monotheistic religion centered on the Quran and the teachings of Muhammad, the religion's founder. Adherents of Islam, called Muslims, number approximately 1.9 billion globally and are the world's second-largest religious population after Christians.

Muslims believe that Islam is the complete and universal version of a primordial faith that was revealed many times through earlier prophets, the most important being Adam (believed to be the first man), Noah (Nuh), Abraham (Ibrahim), Moses (Musa), and Jesus (Isa). Muslims consider the Quran to be the verbatim word of God and the unaltered, final revelation. Alongside the Quran, Muslims also believe in previous revelations, such as the Tawrat (the Torah; from Hebrew: ), the Zabur ( Psalms), and the Injeel ( Gospel). They also consider Muhammad as the main and final Islamic prophet, through whom the religion was completed. The teachings and normative examples of Muhammad, called the sunnah, documented in accounts called the hadith, provide a constitutional model for Muslims. Islam teaches that God ( Allah) is one and incomparable. It states that there will be a " Final Judgment" wherein the righteous will be rewarded in paradise (jannah) and the unrighteous will be punished in hell (jahannam). The Five Pillars-considered obligatory acts of worship-comprise the Islamic oath and creed (shahada); daily prayers (salah); almsgiving (zakat); fasting (sawm) in the month of Ramadan; and a pilgrimage (hajj) to Mecca. Islamic law, , touches on virtually every aspect of life, from banking and finance and welfare to men's and women's roles and the environment. The two main religious festivals are Eid al-Fitr and Eid al-Adha. The two holiest sites in Islam in descending order are Masjid al-Haram in Mecca and Al-Masjid an-Nabawi in Medina, both located in Saudi Arabia.

The religion of Islam originated in Mecca about 610 CE. Muslims believe this is when Muhammad began receiving revelation. By the time of his death, most of the Arabian Peninsula had converted to Islam. Muslim rule expanded outside Arabia under the Rashidun Caliphate and the subsequent Umayyad Caliphate ruled from the Iberian Peninsula to the Indus Valley. In the Islamic Golden Age, mostly during the reign of the Abbasid Caliphate, much of the Muslim world experienced a scientific, economic and cultural flourishing. The expansion of the Muslim world involved various states and caliphates as well as extensive trade and religious conversion as a result of Islamic missionary activities ( dawah), and through conquests.

The two main Islamic branches are Sunni Islam (85-90%) and Shia Islam (10-15%). While Sunni-Shia split initially arose from disagreements over the succession to Muhammad, they grew to cover a broader dimension, both theologically and juridically. Muslims make up a majority of the population in 49 countries. Approximately 12% of the world's Muslims live in Indonesia, the most populous Muslim-majority country; 31% live in South Asia; 20% live in the Middle East-North Africa; and 15% live in sub-Saharan Africa. Muslim communities are also present in the Americas, China, and Europe. Due largely to a higher fertility rate than that of other religions, Islam is the world's fastest-growing major religious group, and if current trends hold, it could slightly surpass Christianity as the world's largest religion by the end of the 21st century.

In Arabic, Islam ( Arabic: إسلام, 'submission [to God]') is the verbal noun of Form IV originating from the verb ( salama), from the triliteral root (S-L-M), which forms a large class of words mostly relating to concepts of submission, safeness, and peace. In a religious context, it refers to the total surrender to the will of God. A (), the word for a follower of Islam, is the active participle of the same verb form, and means "submitter (to God)" or "one who surrenders (to God)". In the Hadith of Gabriel, Islam is presented as one part of a triad that also includes imān (faith), and ihsān (excellence).

Islam itself was historically called Mohammedanism in the English-speaking world. This term has fallen out of use and is sometimes said to be offensive, as it suggests that a human being, rather than God, is central to Muslims' religion.

Articles of faith

The Islamic creed () requires belief in six articles: God, angels, revelation, prophets, the Day of Resurrection, and the divine predestination.

Calligraphy showing the word Allah in Arabic in Hagia Sophia, Istanbul Turkey

The central concept of Islam is (Arabic: توحيد), the oneness of God. It is usually thought of as a precise monotheism, but is also panentheistic in Islamic mystical teachings. God is seen as incomparable and without partners such as in the Christian Trinity, and associating partners to God or attributing God's attributes to others is seen as idolatory, called shirk. God is seen as transcendent of creation and so is beyond comprehension. Thus, Muslims are not iconodules and do not attribute forms to God. God is instead described and referred to by several names or attributes, the most common being Ar-Rahmān () meaning "The Entirely Merciful," and Ar-Rahīm () meaning "The Especially Merciful" which are invoked at the beginning of most chapters of the Quran.

Islam teaches that the creation of everything in the universe was brought into being by God's command as expressed by the wording, " Be, and it is," and that the purpose of existence is to worship God. He is viewed as a personal god and there are no intermediaries, such as clergy, to contact God. Consciousness and awareness of God is referred to as Taqwa. is a term with no plural or gender being ascribed to it and is also used by Muslims and Arabic-speaking Christians and Jews in reference to God, whereas () is a term used for a deity or a god in general.

Angels (Arabic: ملك, ) are beings described in the Quran and hadith. They are described as created to worship God and also to serve in other specific duties such as communicating revelations from God, recording every person's actions, and taking a person's soul at the time of death. They are described as being created variously from 'light' (nūr) or 'fire' ( nār). Islamic angels are often represented in anthropomorphic forms combined with supernatural images, such as wings, being of great size or wearing heavenly articles. Common characteristics for angels include a lack of bodily needs and desires, such as eating and drinking. Some of them, such as Gabriel ( Jibrīl) and Michael ( Mika'il), are mentioned by name in the Quran. Angels play a significant role in literature about the Mi'raj, where Muhammad encounters several angels during his journey through the heavens. Further angels have often been featured in Islamic eschatology, theology and philosophy.

Scriptures

The pre-eminent holy text of Islam is the Quran. Muslims believe that the verses of the Quran were revealed to Muhammad by God, through the archangel Gabriel, on multiple occasions between 610 CE and 632, the year Muhammad died. While Muhammad was alive, these revelations were written down by his companions, although the primary method of transmission was orally through memorization. The Quran is divided into 114 chapters () which contain a combined 6,236 verses (). The chronologically earlier chapters, revealed at Mecca, are concerned primarily with spiritual topics, while the later Medinan chapters discuss more social and legal issues relevant to the Muslim community. Muslim jurists consult the hadith ('accounts'), or the written record of Muhammad's life, to both supplement the Quran and assist with its interpretation. The science of Quranic commentary and exegesis is known as . In addition to its religious significance, the Quran is widely regarded as the finest work in Arabic literature, and has influenced art and the Arabic language.

Islam also holds that God has sent revelations, called , to different prophets numerous times throughout history. However, Islam teaches that parts of the previously revealed scriptures, such as the ( Torah) and the ( Gospel), have become distorted -either in interpretation, in text, or both, while the Quran (lit. 'Recitation') is viewed as the final, verbatim and unaltered word of God.

A 15th century[49] Persian miniature depicting Muhammad leading Abraham, Moses, Jesus and other prophets in prayer

Prophets (Arabic: , anbiyāʾ) are believed to have been chosen by God to preach a divine message. Some of these prophets additionally deliver a new book and are called "messengers" (, rasūl). Muslims believe prophets are human and not divine. All of the prophets are said to have preached the same basic message of Islam - submission to the will of God - to various nations in the past, and this is said to account for many similarities among religions. The Quran recounts the names of numerous figures considered prophets in Islam, including Adam, Noah, Abraham, Moses and Jesus, among others. The stories associated with the prophets beyond the Quranic accounts are collected and explored in the Qisas al-Anbiya (Stories of the Prophets).

Muslims believe that God sent Muhammad as the final prophet (" Seal of the prophets") to convey the completed message of Islam. In Islam, the "normative" example of Muhammad's life is called the (literally "trodden path"). Muslims are encouraged to emulate Muhammad's moral behaviors in their daily lives, and the sunnah is seen as crucial to guiding interpretation of the Quran. This example is preserved in traditions known as hadith, which are accounts of his words, actions, and personal characteristics. Hadith Qudsi is a sub-category of hadith, regarded as God's verbatim words quoted by Muhammad that are not part of the Quran. A hadith involves two elements: a chain of narrators, called sanad, and the actual wording, called . There are various methodologies to classify the authenticity of hadiths, with the commonly used grading grading scale being "authentic" or "correct" (, ṣaḥīḥ); "good", hasan (, ḥasan); or "weak" (, ḍaʻīf), among others. The Kutub al-Sittah are a collection of six books, regarded as the most authentic reports in Sunni Islam. Among them is Sahih al-Bukhari, often considered by Sunnis to be one of the most authentic sources after the Quran. Another well-known source of hadiths is known as The Four Books, which Shias consider as the most authentic hadith reference.

Resurrection and judgment

The Umayyad Mosque in Damascus, where Islamic tradition says Isa (Jesus, seen as an Islamic prophet) will appear close to the Day of Judgment

Belief in the "Day of Resurrection" or Yawm al-Qiyāmah (Arabic: يوم القيامة) is also crucial for Muslims. It is believed that the time of Qiyāmah is preordained by God, but unknown to man. The Quran and the hadith, as well as the commentaries of scholars, describe the trials and tribulations preceding and during the Qiyāmah. The Quran emphasizes bodily resurrection, a break from the pre-Islamic Arabian understanding of death.

On Yawm al-Qiyāmah, Muslims believe all humankind will be judged by their good and bad deeds and consigned to (paradise) or (hell). The Quran in Surat al-Zalzalah describes this as: "So whoever does an atom's weight of good will see it. And whoever does an atom's weight of evil will see it." The Quran lists several sins that can condemn a person to hell. However, the Quran makes it clear that God will forgive the sins of those who repent if he wishes. Good deeds, like charity, prayer, and compassion towards animals will be rewarded with entry to heaven. Muslims view heaven as a place of joy and blessings, with Quranic references describing its features. Mystical traditions in Islam place these heavenly delights in the context of an ecstatic awareness of God. Yawm al-Qiyāmah is also identified in the Quran as Yawm ad-Dīn ( "Day of Religion"); as-Sāʿah ( "the Last Hour"); and ( "The Clatterer");

Divine predestination

The concept of divine predestination in Islam ( Arabic: القضاء والقدر, ) means that every matter, good or bad, is believed to have been decreed by God. Al-qadar, meaning "power", derives from a root that means "to measure" or "calculating". Muslims often express this belief in divine destiny with the phrase "In-sha-Allah" meaning "if God wills" when speaking on future events.

Acts of worship

There are five acts of worship that are considered duties - the Shahada (declaration of faith), the five daily prayers, Zakat (alms-giving), fasting during Ramadan and the Hajj pilgrimage - collectively known as "The Pillars of Islam" ( Arkān al-Islām). In addition, Muslims also perform other optional supererogatory acts that are encouraged but not considered to be duties.

Declaration of faith

Silver coin of the Mughal Emperor Akbar, c. 16th century, inscribed with the Shahadah

The shahadah is an oath declaring belief in Islam. The expanded statement is " ʾašhadu ʾal-lā ʾilāha ʾillā-llāhu wa ʾašhadu ʾanna muħammadan rasūlu-llāh" (أشهد أن لا إله إلا الله وأشهد أن محمداً رسول الله ), or, "I testify that there is no deity except God and I testify that Muhammad is the messenger of God." Islam is sometimes argued to have a very simple creed with the shahada being the premise for the rest of the religion. Non-Muslims wishing to convert to Islam are required to recite the shahada in front of witnesses.

Prayer in Islam, called as-salah or aṣ-ṣalāt (Arabic: الصلاة), is seen as a personal communication with God and consists of repeating units called rakat that include bowing and prostrating to God. There are five timed prayers each day that are considered duties. The prayers are recited in the Arabic language and performed in the direction of the Kaaba. The act also requires a state ritual purity achieved by means of the either a routine ritual wash or, in certain circumstances, a full body ritual wash.

A mosque is a place of worship for Muslims, who often refer to it by its Arabic name masjid. Although the primary purpose of the mosque is to serve as a place of prayer, it is also an important social center for the Muslim community. For example, the Masjid an-Nabawi ("Prophetic Mosque") in Medina, Saudi Arabia, used to also serve as a shelter for the poor. Minarets are towers used to call the adhan, a vocal call to signal the prayer time.

Almsgiving

Zakat ( Arabic: , zakāh), also spelled Zakāt or Zakah, is a type of almsgiving characterized by the giving of a fixed portion (2.5% annually) of accumulated wealth by those who can afford it to help the poor or needy, such as for freeing captives, those in debt, or for (stranded) travellers, and for those employed to collect zakat. It acts as a form of welfare in Muslim societies. It is considered a religious obligation that the well-off owe the needy because their wealth is seen as a trust from God's bounty, and is seen as a purification of one's excess wealth. The total annual value contributed due to zakat is 15 times greater than global humanitarian aid donations, using conservative estimates. Sadaqah, as opposed to Zakat, is a much-encouraged optional charity. A waqf is a perpetual charitable trust, which finances hospitals and schools in Muslim societies.

A fast-breaking feast, known as Iftar, is served traditionally with dates.

In Islam, fasting ( Arabic: , ṣawm) precludes food and drink, as well as other forms of consumption, such as smoking, and is performed from dawn to sunset. During the month of Ramadan, it is considered a duty for Muslims to fast. The fast is to encourage a feeling of nearness to God by restraining oneself for God's sake from what is otherwise permissible and to think of the needy. In addition, there are other days, such as the Day of Arafah, when fasting is optional.

Pilgrimage

The Islamic pilgrimage, called the " ḥajj" (Arabic: حج), is to be done at least once a lifetime by every Muslim with the means to do so during the Islamic month of Dhu al-Hijjah. Rituals of the Hajj mostly imitate the story of the family of Abraham. In Mecca, pilgrims walk seven times around the Kaaba, which Muslims believe Abraham built as a place of worship, and they walk seven times between Mount Safa and Marwah, recounting the steps of Abraham's wife, Hagar, who was looking for water for her baby Ishmael in the desert before Mecca developed into a settlement. The pilgrimage also involves spending a day praying and worshipping in the plain of Mount Arafat as well as symbolically stoning the Devil. All Muslim men wear only two simple white unstitched pieces of cloth called ihram, intended to bring continuity through generations and uniformity among pilgrims despite class or origin. Another form of pilgrimage, Umrah, is optional and can be undertaken at any time of the year. Other sites of Islamic pilgrimage are Medina, where Muhammad died, as well as Jerusalem, a city of many Islamic prophets and the site of Al-Aqsa, which was the direction of prayer before Mecca.

Supererogatory acts

Muslim men reading the Quran

Muslims recite and memorize the whole or parts of the Quran as acts of virtue. Tajwid refers to the set of rules for the proper elocution of the Quran. Many Muslims recite the whole Quran during the month of Ramadan. One who has memorized the whole Quran is called a hafiz ("memorizer"), and hadiths mention that these individuals will be able to intercede for others on Judgment Day.

Supplication to God, called in Arabic ad-duʿāʾ ( Arabic: الدعاء IPA: ) has its own etiquette such as raising hands as if begging.

Remembrance of God (, Dhikr') refers to phrases repeated referencing God. Commonly, this includes Tahmid, declaring praise be due to God (, al-Ḥamdu lillāh) during prayer or when feeling thankful, Tasbih, declaring glory to God during prayer or when in awe of something and saying ' in the name of God' (, basmalah) before starting an act such as eating.

Muhammad and the birth of Islam (570-632)

Cave of Hira.

According to Islamic tradition, Muhammad was born in Mecca in 570 CE and was orphaned early in life. Growing up as a trader, he became known as the " trusted one" ( Arabic: الامين) and was sought after as an impartial arbitrator. He later married his employer, the businesswoman Khadija. In the year 610 CE, troubled by the moral decline and idolatry prevalent in Mecca and seeking seclusion and spiritual contemplation, Muhammad retreated to the Cave of Hira in the mountain Jabal al-Nour, near Mecca. It was during his time in the cave that he is said to have received the first revelation of the Quran from the angel Gabriel. The event of Muhammad's retreat to the cave and subsequent revelation is known as the " Night of Power" ( Laylat al-Qadr) and is considered a significant event in Islamic history. During the next 22 years of his life, from age 40 onwards, Muhammad continued to receive revelations from God, becoming the last or seal of the prophets sent to mankind.

During this time, while in Mecca, Muhammad preached first in secret and then in public, imploring his listeners to abandon polytheism and worship one God. Many early converts to Islam were women, the poor, foreigners, and slaves like the first muezzin Bilal ibn Rabah al-Habashi. The Meccan elite felt Muhammad was destabilizing their social order by preaching about one God and giving questionable ideas to the poor and slaves because they profited from the pilgrimages to the idols of the Kaaba.

After 12 years of the persecution of Muslims by the Meccans, Muhammad and his companions performed the ("emigration") in 622 to the city of Yathrib (current-day Medina). There, with the Medinan converts (the ) and the Meccan migrants (the ), Muhammad in Medina established his political and religious authority. The Constitution of Medina was signed by all the tribes of Medina. This established religious freedoms and freedom to use their own laws among the Muslim and non-Muslim communities as well as an agreement to defend Medina from external threats. Meccan forces and their allies lost against the Muslims at the Battle of Badr in 624 and then fought an inconclusive battle in the Battle of Uhud before unsuccessfully besieging Medina in the Battle of the Trench (March-April 627). In 628, the Treaty of Hudaybiyyah was signed between Mecca and the Muslims, but it was broken by Mecca two years later. As more tribes converted to Islam, Meccan trade routes were cut off by the Muslims. By 629 Muhammad was victorious in the nearly bloodless conquest of Mecca, and by the time of his death in 632 (at age 62) he had united the tribes of Arabia into a single religious polity.

Early Islamic period (632-750)

Muhammad died in 632 and the first successors, called Caliphs - Abu Bakr, Umar, Uthman ibn al-Affan, Ali ibn Abi Talib and sometimes Hasan ibn Ali - are known in Sunni Islam as al-khulafā' ar-rāshidūn (" Rightly Guided Caliphs"). Some tribes left Islam and rebelled under leaders who declared themselves new prophets but were crushed by Abu Bakr in the Ridda wars. Local populations of Jews and indigenous Christians, persecuted as religious minorities and heretics and taxed heavily, often helped Muslims take over their lands, resulting in rapid expansion of the caliphate into the Persian and Byzantine empires. Uthman was elected in 644 and his assassination by rebels led to Ali being elected the next Caliph. In the First Civil War, Muhammad's widow, Aisha, raised an army against Ali, attempting to avenge the death of Uthman, but was defeated at the Battle of the Camel. Ali attempted to remove the governor of Syria, Mu'awiya, who was seen as corrupt. Mu'awiya then declared war on Ali and was defeated in the Battle of Siffin. Ali's decision to arbitrate angered the Kharijites, an extremist sect, who felt that by not fighting a sinner, Ali became a sinner as well. The Kharijites rebelled and were defeated in the Battle of Nahrawan but a Kharijite assassin later killed Ali. Ali's son, Hasan ibn Ali, was elected Caliph and signed a peace treaty to avoid further fighting, abdicating to Mu'awiya in return for Mu'awiya not appointing a successor. Mu'awiya began the Umayyad dynasty with the appointment of his son Yazid I as successor, sparking the Second Civil War. During the Battle of Karbala, Husayn ibn Ali was killed by Yazid's forces; the event has been annually commemorated by Shias ever since. Sunnis, led by Ibn al-Zubayr and opposed to a dynastic caliphate, were defeated in the siege of Mecca. These disputes over leadership would give rise to the Sunni- Shia schism, with the Shia believing leadership belongs to Muhammad's family through Ali, called the ahl al-bayt. Abu Bakr's leadership oversaw the beginning of the compilation of the Quran. The Caliph Umar ibn Abd al-Aziz set up the committee, The Seven Fuqaha of Medina, and Malik ibn Anas wrote one of the earliest books on Islamic jurisprudence, the , as a consensus of the opinion of those jurists. The Kharijites believed there was no compromised middle ground between good and evil, and any Muslim who committed a grave sin would become an unbeliever. The term "kharijites" would also be used to refer to later groups such as Isis. The Murji'ah taught that people's righteousness could be judged by God alone. Therefore, wrongdoers might be considered misguided, but not denounced as unbelievers. This attitude came to prevail into mainstream Islamic beliefs.

The Umayyad dynasty conquered the Maghreb, the Iberian Peninsula, Narbonnese Gaul and Sindh. The Umayyads struggled with a lack of legitimacy and relied on a heavily patronized military. Since the jizya tax was a tax paid by non-Muslims which exempted them from military service, the Umayyads denied recognizing the conversion of non-Arabs, as it reduced revenue. While the Rashidun Caliphate emphasized austerity, with Umar even requiring an inventory of each official's possessions, Umayyad luxury bred dissatisfaction among the pious. The Kharijites led the Berber Revolt, leading to the first Muslim states independent of the Caliphate. In the Abbasid Revolution, non-Arab converts (), Arab clans pushed aside by the Umayyad clan, and some Shi'a rallied and overthrew the Umayyads, inaugurating the more cosmopolitan Abbasid dynasty in 750.

Classical era (750-1258)

Al-Shafi'i codified a method to determine the reliability of hadith. During the early Abbasid era, scholars such as Muhammad al-Bukhari and Muslim ibn al-Hajjaj compiled the major Sunni hadith collections while scholars like Al-Kulayni and Ibn Babawayh compiled major Shia hadith collections. The four Sunni Madh'habs, the Hanafi, Hanbali, Maliki, and Shafi'i, were established around the teachings of Abū Ḥanīfa, Ahmad ibn Hanbal, Malik ibn Anas and al-Shafi'i. In contrast, the teachings of Ja'far al-Sadiq formed the Ja'fari jurisprudence. In the 9th century, Al-Tabari completed the first commentary of the Quran, the Tafsir al-Tabari, which became one of the most cited commentaries in Sunni Islam. Some Muslims began questioning the piety of indulgence in worldly life and emphasized poverty, humility, and avoidance of sin based on renunciation of bodily desires. Ascetics such as Hasan al-Basri inspired a movement that would evolve into tasawwuf or Sufism.

At this time, theological problems, notably on free will, were prominently tackled, with Hasan al Basri holding that although God knows people's actions, good and evil come from abuse of free will and the devil. Greek rationalist philosophy influenced a speculative school of thought known as Muʿtazila, who famously advocated the notion of free-will originated by Wasil ibn Ata. Caliph Mamun al Rashid made it an official creed and unsuccessfully attempted to force this position on the majority. Caliph Al-Mu'tasim carried out inquisitions, with the traditionalist Ahmad ibn Hanbal notably refusing to conform to the Muʿtazila idea that the Quran was created rather than being eternal, which resulted in him being tortured and kept in an unlit prison cell for nearly thirty months. However, other schools of speculative theology - Māturīdism founded by Abu Mansur al-Maturidi and Ash'ari founded by Al-Ash'ari - were more successful in being widely adopted. Philosophers such as Al-Farabi, Avicenna and Averroes sought to harmonize Aristotle's ideas with the teachings of Islam, similar to later scholasticism within Christianity in Europe and Maimonides' work within Judaism, while others like Al-Ghazali argued against such syncretism and ultimately prevailed.

The eye, according to Hunain ibn Ishaq from a manuscript dated c. 1200

This era is sometimes called the " Islamic Golden Age". Islamic scientific achievements spanned a wide range of subject areas including medicine, mathematics, astronomy, and agriculture as well as physics, economics, engineering and optics. Avicenna was a pioneer in experimental medicine, and his The Canon of Medicine was used as a standard medicinal text in the Islamic world and Europe for centuries. Rhazes was the first to identify the diseases smallpox and measles. Public hospitals of the time issued the first medical diplomas to license doctors. Ibn al-Haytham is regarded as the father of the modern scientific method and often referred to as the "world's first true scientist", in particular regarding his work in optics. In engineering, the Banū Mūsā brothers' automatic flute player is considered to have been the first programmable machine. In mathematics, the concept of the algorithm is named after Muhammad ibn Musa al-Khwarizmi, who is considered a founder of algebra, which is named after his book al-jabr, while others developed the concept of a function. The government paid scientists the equivalent salary of professional athletes today. Guinness World Records recognizes the University of Al Karaouine, founded in 859, as the world's oldest degree-granting university. Many non-Muslims, such as Christians, Jews and Sabians, contributed to the Islamic civilization in various fields, and the institution known as the House of Wisdom employed Christian and Persian scholars to both translate works into Arabic and to develop new knowledge.

Soldiers broke away from the Abbasid empire and established their own dynasties, such as the Tulunids in 868 in Egypt and the Ghaznavid dynasty in 977 in Central Asia. In this fragmentation came the Shi'a Century, roughly between 945 and 1055, which saw the rise of the millennialist Isma'ili Shi'a missionary movement. One Isma'ili group, the Fatimid dynasty, took control of North Africa in the 10th century and another Isma'ili group, the Qarmatians, sacked Mecca and stole the Black Stone, a rock placed within the Kaaba, in their unsuccessful rebellion. Yet another Isma'ili group, the Buyid dynasty, conquered Baghdad and turned the Abbasids into a figurehead monarchy. The Sunni Seljuk dynasty campaigned to reassert Sunni Islam by promulgating the scholarly opinions of the time, notably with the construction of educational institutions known as Nezamiyeh, which are associated with Al-Ghazali and Saadi Shirazi.

The expansion of the Muslim world continued with religious missions converting Volga Bulgaria to Islam. The Delhi Sultanate reached deep into the Indian Subcontinent and many converted to Islam, in particular low-caste Hindus whose descendants make up the vast majority of Indian Muslims. Trade brought many Muslims to China, where they virtually dominated the import and export industry of the Song dynasty. Muslims were recruited as a governing minority class in the Yuan dynasty.

Pre-Modern era (1258-18th century)

Ghazan Khan, 7th Ilkhanate ruler of the Mongol Empire, converts to Islam. 14th-century depiction

Through Muslim trade networks and the activity of Sufi orders, Islam spread into new areas and Muslims assimilated into new cultures.

Under the Ottoman Empire, Islam spread to Southeast Europe. Conversion to Islam often involved a degree of syncretism, as illustrated by Muhammad's appearance in Hindu folklore. Muslim Turks incorporated elements of Turkish Shamanism beliefs to Islam. Muslims in Ming Dynasty China who were descended from earlier immigrants were assimilated, sometimes through laws mandating assimilation, by adopting Chinese names and culture while Nanjing became an important center of Islamic study.

Cultural shifts were evident with the decrease in Arab influence after the Mongol destruction of the Abbasid Caliphate. The Muslim Mongol Khanates in Iran and Central Asia benefited from increased cross-cultural access to East Asia under Mongol rule and thus flourished and developed more distinctively from Arab influence, such as the Timurid Renaissance under the Timurid dynasty. Nasir al-Din al-Tusi (1201-1274) proposed the mathematical model that was later argued to be adopted by Copernicus unrevised in his heliocentric model, and Jamshīd al-Kāshī's estimate of pi would not be surpassed for 180 years.

After the introduction of gunpowder weapons, large and centralized Muslim states consolidated around gunpowder empires, these had been previously splintered amongst various territories. The caliphate was claimed by the Ottoman dynasty of the Ottoman Empire and its claims were strengthened in 1517 as Selim I became the ruler of Mecca and Medina. The Shia Safavid dynasty rose to power in 1501 and later conquered all of Iran. In South Asia, Babur founded the Mughal Empire.

The religion of the centralized states of the gunpowder empires influenced the religious practice of their constituent populations. A symbiosis between Ottoman rulers and Sufism strongly influenced Islamic reign by the Ottomans from the beginning. The Mevlevi Order and Bektashi Order had a close relation to the sultans, as Sufi-mystical as well as heterodox and syncretic approaches to Islam flourished. The often forceful Safavid conversion of Iran to the Twelver Shia Islam of the Safavid Empire ensured the final dominance of the Twelver sect within Shia Islam. Persian migrants to South Asia, as influential bureaucrats and landholders, help spread Shia Islam, forming some of the largest Shia populations outside Iran. Nader Shah, who overthrew the Safavids, attempted to improve relations with Sunnis by propagating the integration of Twelverism into Sunni Islam as a fifth madhhab, called Ja'farism, which failed to gain recognition from the Ottomans.

Modern era (18th-20th centuries)

Earlier in the 14th century, Ibn Taymiyya promoted a puritanical form of Islam, rejecting philosophical approaches in favor of simpler theology, and called to open the gates of itjihad rather than blind imitation of scholars. He called for a jihad against those he deemed heretics, but his writings only played a marginal role during his lifetime. During the 18th century in Arabia, Muhammad ibn 'Abd al-Wahhab, influenced by the works of Ibn Taymiyya and Ibn al-Qayyim, founded a movement called Wahhabi to return to what he saw as unadultered Islam. He condemned many local Islamic customs, such as visiting the grave of Muhammad or saints, as later innovations and sinful and destroyed sacred rocks and trees, Sufi shrines, the tombs of Muhammad and his companions and the tomb of Husayn at Karbala, a major Shia pilgrimage site. He formed an alliance with the Saud family, which, by the 1920s, completed their conquest of the area that would become Saudi Arabia. Ma Wanfu and Ma Debao promoted salafist movements in the 19th century such as Sailaifengye in China after returning from Mecca but were eventually persecuted and forced into hiding by Sufi groups. Other groups sought to reform Sufism rather than reject it, with the Senusiyya and Muhammad Ahmad both waging war and establishing states in Libya and Sudan respectively. In India, Shah Waliullah Dehlawi attempted a more conciliatory style against Sufism and influenced the Deobandi movement. In response to the Deobandi movement, the Barelwi movement was founded as a mass movement, defending popular Sufism and reforming its practices.

The Muslim world was generally in political decline starting the 1800s, especially compared to non-Muslim European powers. Earlier, in the 15th century, the Reconquista succeeded in ending the Muslim presence in Iberia. By the 19th century, the British East India Company had formally annexed the Mughal dynasty in India. As a response to Western Imperialism, many intellectuals sought to reform Islam. Islamic modernism, initially labelled by Western scholars as Salafiyya, embraced modern values and institutions such as democracy while being scripture oriented. Notable forerunners in the movement include Muhammad 'Abduh and Jamal al-Din al-Afghani. Abul A'la Maududi helped influence modern political Islam. Similar to contemporary codification, sharia was for the first time partially codified into law in 1869 in the Ottoman Empire's Mecelle code.

The Ottoman Empire disintegrated after World War I and the Caliphate was abolished in 1924. Pan-Islamists attempted to unify Muslims and competed with growing nationalist forces, such as pan-Arabism. The Organisation of Islamic Cooperation (OIC), consisting of Muslim-majority countries, was established in 1969 after the burning of the Al-Aqsa Mosque in Jerusalem.

Contact with industrialized nations brought Muslim populations to new areas through economic migration. Many Muslims migrated as indentured servants (mostly from India and Indonesia) to the Caribbean, forming the largest Muslim populations by percentage in the Americas. Migration from Syria and Lebanon contributed to the Muslim population in Latin America. The resulting urbanization and increase in trade in sub-Saharan Africa brought Muslims to settle in new areas and spread their faith, likely doubling its Muslim population between 1869 and 1914.

Contemporary era (20th century-present)

Leaders of Muslim countries during session of the Islamic Summit Conference in Istanbul, Turkey

Forerunners of Islamic modernism influenced Islamist political movements such as the Muslim Brotherhood and related parties in the Arab world, which performed well in elections following the Arab Spring, Jamaat-e-Islami in South Asia and the AK Party, which has democratically been in power in Turkey for decades. In Iran, revolution replaced a secular monarchy with an Islamic state. Others such as Sayyid Rashid Rida broke away from Islamic modernists and pushed against embracing what he saw as Western influence. The group Islamic State of Iraq and the Levant would even attempt to recreate the modern gold dinar as their monetary system. While some of those who broke away were quietist, others believed in violence against those opposing them, even against other Muslims.

In opposition to Islamic political movements, in 20th century Turkey, the military carried out coups to oust Islamist governments, and headscarves were legally restricted, as also happened in Tunisia. In other places, religious authority was co-opted and is now often seen as puppets of the state. For example, in Saudi Arabia, the state monopolized religious scholarship and, in Egypt, the state nationalized Al-Azhar University, previously an independent voice checking state power. Salafism was funded in the Middle East for its quietism. Saudi Arabia campaigned against revolutionary Islamist movements in the Middle East, in opposition to Iran.

Muslim minorities of various ethnicities have been persecuted as a religious group. This has been undertaken by communist forces like the Khmer Rouge, who viewed them as their primary enemy to be exterminated since their religious practice made them stand out from the rest of the population, the Chinese Communist Party in Xinjiang and by nationalist forces such as during the Bosnian genocide. Myanmar military's Tatmadaw targeting of Rohingya Muslims has been labeled as a crime against humanity by the UN and Amnesty International, while the OHCHR Fact-Finding Mission identified genocide, ethnic cleansing, and other crimes against humanity.

The advancement of global communication has facilitated the widespread dissemination of religious knowledge. The adoption of the hijab has grown more common and some Muslim intellectuals are increasingly striving to separate scriptural Islamic beliefs from cultural traditions. Among other groups, this access to information has led to the rise of popular " televangelist" preachers, such as Amr Khaled, who compete with the traditional ulema in their reach and have decentralized religious authority. More "individualized" interpretations of Islam notably involve Liberal Muslims who attempt to align religious traditions with contemporary secular governance, an approach that has been criticized by some regarding its compatibility. Moreover, secularism is perceived as a foreign ideology imposed by invaders and perpetuated by post-colonial ruling elites, and is frequently understood to be equivalent to anti-religion.

Demographics

Muslim distribution worldwide, based on latest available data[270]

World percentage of Muslims by country

As of 2015, about 24% of the global population, or about 1.9 billion people, are Muslims. In 1900, this estimate was 12.3%, in 1990 it was 19.9% and projections suggest the proportion will be 29.7% by 2050. The Pew Research Center estimates that 87-90% of Muslims are Sunni and 10-13% are Shia. Approximately 49 countries are Muslim-majority, with 62% of the world's Muslims living in Asia, and 683 million adherents in Indonesia, Pakistan, India, and Bangladesh alone. Arab Muslims form the largest ethnic group among Muslims in the world, followed by Bengalis and Punjabis. Most estimates indicate China has approximately 20 to 30 million Muslims (1.5% to 2% of the population). Islam in Europe is the second-largest religion after Christianity in many countries, with growth rates due primarily to immigration and higher birth rates of Muslims in 2005, accounting for 4.9% of all of Europe's population in 2016.

Religious conversion has no net impact on the Muslim population growth as "the number of people who become Muslims through conversion seems to be roughly equal to the number of Muslims who leave the faith." Although, Islam is expected to experience a modest gain of 3 million through religious conversion between 2010 and 2050, mostly from Sub Saharan Africa (2.9 million).

According to a report by CNN, "Islam has drawn converts from all walks of life, most notably African-Americans". In Britain, around 6,000 people convert to Islam per year and, according to an article in the British Muslims Monthly Survey, the majority of new Muslim converts in Britain were women. According to The Huffington Post, "observers estimate that as many as 20,000 Americans convert to Islam annually", most of them being women and African-Americans.

By both percentage and total numbers, Islam is the world's fastest growing major religious group, and is projected to be the world's largest by the end of the 21st century, surpassing that of Christianity. It is estimated that, by 2050, the number of Muslims will nearly equal the number of Christians around the world, "due to the young age and high fertility rate of Muslims relative to other religious groups."

Main branches or denominations

Sunni Islam or Sunnism is the name for the largest denomination in Islam. The term is a contraction of the phrase "ahl as-sunna wa'l-jamaat", which means "people of the sunna (the traditions of the prophet Muhammad) and the community". Sunnis, or sometimes Sunnites, believe that the first four caliphs were the rightful successors to Muhammad and primarily reference six major hadith works for legal matters, while following one of the four traditional schools of jurisprudence: Hanafi, Hanbali, Maliki or Shafi'i.

Traditionalist theology is a Sunni school of thought, prominently advocated by Ahmad ibn Hanbal (780-855 CE), that is characterized by its adherence to a textualist understanding of the Quran and the sunnah, the belief that the Quran is uncreated and eternal, and opposition to speculative theology, called kalam, in religious and ethical matters. Mu'tazilism is a Sunni school of thought inspired by Ancient Greek Philosophy. Maturidism, founded by Abu Mansur al-Maturidi (853-944 CE), asserts that scripture is not needed for basic ethics and that good and evil can be understood by reason alone, but people rely on revelation, for matters beyond human's comprehension. Ash'arism, founded by Al-Ashʿarī (c. 874-936), holds that ethics can derive just from divine revelation but accepts reason regarding exegetical matters and combines Muʿtazila approaches with traditionalist ideas.

Salafism is a revival movement advocating the return to the practices of the earliest generations of Muslims. In the 18th century, Muhammad ibn Abd al-Wahhab led a Salafi movement, referred by outsiders as Wahhabism, in modern-day Saudi Arabia. A similar movement called Ahl al-Hadith also de-emphasized the centuries' old Sunni legal tradition, preferring to directly follow the Quran and Hadith. The Sunni movement was by Said Nursi (1877-1960); it incorporates elements of Sufism and science.

Shia Islam, or Shi'ism, is the second-largest Muslim denomination. Shias, or Shiites, split with Sunnis over Muhammad's successor as leader, who the Shia believed must be from certain descendants of Muhammad's family known as the Ahl al-Bayt and those leaders, referred to as Imams, have additional spiritual authority.

According to both Sunni and Shia Muslims, significant event that took place at Ghadir Khumm, during Muhammad's return from his final pilgrimage to Mecca. At Ghadir Khumm, Muhammad appointed his cousin Ali as the executor of his last will and testament, as well as his Wali (authority). Shias recognise that Muhammad nominated Ali as his successor (khalīfa) and Imam (spiritual and political leader) after him. Some of the first Imams are revered by all Shia groups and Sunnis, such as Ali. The Twelvers, the first and the largest Shia branch, believe in twelve Imams, the last of whom went into occultation to return one day. They recognise that the prophecy of the Twelve Imams has been foretold in the Hadith of the Twelve Successors which is recorded by both Sunni and Shia sources.

Zaidi, the second-oldest branch, reject special powers of Imams and are sometimes considered a 'fifth school' of Sunni Islam rather than a Shia denomination. The Isma'ilis split with the Twelvers over who was the seventh Imam and have split into more groups over the status of successive Imams, with the largest group being the Nizaris.

Ibadi Islam or Ibadism is practised by 1.45 million Muslims around the world (~ 0.08% of all Muslims), most of them in Oman. Ibadism is often associated with and viewed as a moderate variation of the kharijites, though Ibadis themselves object to this classification. The kharijites were groups that rebelled against Caliph Ali for his acceptance of arbitration with someone they viewed as a sinner. Unlike most kharijite groups, Ibadism does not regard sinful Muslims as unbelievers. Ibadi hadiths, such as the Jami Sahih collection, use chains of narrators from early Islamic history they consider trustworthy, but most Ibadi hadiths are also found in standard Sunni collections and contemporary Ibadis often approve of the standard Sunni collections.

An overview of the major sects and madhahib of Islam

Other denominations

The Ahmadiyya movement was founded by Mirza Ghulam Ahmad in India in 1889. Ahmad claimed to be the "Promised Messiah" or "Imam Mahdi" of prophecy. Today the group has 10 to 20 million practitioners, but is rejected by most Muslims as heretical, and Ahmadis have been subject to religious persecution and discrimination since the movement's inception.

Alevism is a syncretic and heterodox local Islamic tradition, whose adherents follow the mystical (bāṭenī) teachings of Ali and Haji Bektash Veli. Alevism is a blend of traditional 14th century Turkish beliefs, with possible syncretist origins in Shamanism and Animism, alongside Shia and Sufi beliefs. It has been estimated that there are 10 million to over 20 million (~0.5%-1% of all Muslims) Alevis worldwide.

Quranism is a religious movement of Islam based on the belief that Islamic law and guidance should only be based on the Quran and not the sunnah or Hadith, with Quranists notably differing in their approach to the five pillars of Islam. The movement developed from the 19th century onwards, with thinkers like Syed Ahmad Khan, Abdullah Chakralawi and Ghulam Ahmed Perwez in India questioning the hadith tradition. In Egypt, Muhammad Tawfiq Sidqi penned the article "Islam is the Quran alone" in the magazine , arguing for the sole authority of the Quran. A prominent late 20th century Quranist was Rashad Khalifa, an Egyptian-American biochemist who claimed to have discovered a numerological code in the Quran, and founded the Quranist organization "United Submitters International".

Non-denominational Muslims

Non-denominational Muslims is an umbrella term that has been used for and by Muslims who do not belong to or do not self-identify with a specific Islamic denomination. Recent surveys report that large proportions of Muslims in some parts of the world self-identify as "just Muslim", although there is little published analysis available regarding the motivations underlying this response. The Pew Research Center reports that respondents self-identifying as "just Muslim" make up a majority of Muslims in seven countries (and a plurality in three others), with the highest proportion in Kazakhstan at 74%. At least one in five Muslims in at least 22 countries self-identifies in this way.

Sufism (Arabic: , tasawwuf), is a mystical- ascetic approach to Islam that seeks to find a direct personal experience of God. Classical Sufi scholars defined tasawwuf as "a science whose objective is the reparation of the heart and turning it away from all else but God", through "intuitive and emotional faculties" that one must be trained to use. It is not a sect of Islam, and its adherents belong to the various Muslim denominations. Isma'ilism, whose teachings are rooted in Gnosticism and Neoplatonism as well as by the Illuminationist and Isfahan schools of Islamic philosophy, has developed mystical interpretations of Islam. Hasan al-Basri, the early Sufi ascetic often portrayed as one of the earliest Sufis, emphasized fear of failing God's expectations of obedience. In contrast, later prominent Sufis, such as Mansur Al-Hallaj and Jalaluddin Rumi, emphasized religiosity based on love towards God. Such devotion would also have an impact on the arts, with Rumi, still one of the bestselling poets in America.

Sufis see tasawwuf as an inseparable part of Islam. Traditional Sufis, such as Bayazid Bastami, Jalaluddin Rumi, Haji Bektash Veli, Junaid Baghdadi, and Al-Ghazali, argued for Sufism as being based upon the tenets of Islam and the teachings of the prophet. Historian Nile Green argued that Islam in the Medieval period, was more or less Sufism. Popular devotional practices such as the veneration of Sufi saints have been viewed as innovations from the original religion from followers of the Sunni revivalist movement known as Salafism. Salafists have sometimes physically attacked Sufis, leading to a deterioration in Sufi-Salafi relations.

Sufi congregations form orders () centered around a teacher () who traces a spiritual chain back to Muhammad. Sufis played an important role in the formation of Muslim societies through their missionary and educational activities. Sufism influenced Ahle Sunnat movement or Barelvi movement claims over 200 million followers in South Asia. Sufism is prominent in Central Asia, as well as in African countries like Tunisia, Algeria, Morocco, Senegal, Chad and Niger.

Law and jurisprudence

Sharia is the religious law forming part of the Islamic tradition. It is derived from the religious precepts of Islam, particularly the Quran and the Hadith. In Arabic, the term sharīʿah refers to God's divine law and is contrasted with , which refers to its scholarly interpretations. The manner of its application in modern times has been a subject of dispute between Muslim traditionalists and reformists.

Traditional theory of Islamic jurisprudence recognizes four sources of sharia: the Quran, sunnah ( Hadith and Sira), qiyas (analogical reasoning), and (juridical consensus). Different legal schools developed methodologies for deriving sharia rulings from scriptural sources using a process known as . Traditional jurisprudence distinguishes two principal branches of law, (rituals) and (social relations), which together comprise a wide range of topics. Its rulings assign actions to one of five categories called ahkam: mandatory (), recommended (), permitted (), abhorred (), and prohibited (). Forgiveness is much celebrated in Islam and, in criminal law, while imposing a penalty on an offender in proportion to their offense is considered permissible; forgiving the offender is better. To go one step further by offering a favor to the offender is regarded as the peak of excellence. Some areas of sharia overlap with the Western notion of law while others correspond more broadly to living life in accordance with God's will.

Historically, sharia was interpreted by independent jurists ( muftis). Their legal opinions ( fatwa) were taken into account by ruler-appointed judges who presided over qāḍī's courts, and by courts, which were controlled by the ruler's council and administered criminal law. In the modern era, sharia-based criminal laws were widely replaced by statutes inspired by European models. The Ottoman Empire's 19th century Tanzimat reforms lead to the Mecelle civil code and represented the first attempt to codify sharia. While the constitutions of most Muslim-majority states contain references to sharia, its classical rules were largely retained only in personal status (family) laws. Legislative bodies which codified these laws sought to modernize them without abandoning their foundations in traditional jurisprudence. The Islamic revival of the late 20th century brought along calls by Islamist movements for complete implementation of sharia. The role of sharia has become a contested topic around the world. There are ongoing debates as to whether sharia is compatible with secular forms of government, human rights, freedom of thought, and women's rights.

Schools of jurisprudence

A school of jurisprudence is referred to as a madhhab ( Arabic: مذهب). The four major Sunni schools are the Hanafi, Maliki, Shafi'i and Hanbali schools while the three major Shia schools are the Ja'fari, Zaidi and Isma'ili schools. Each differs in their methodology, called Usul al-fiqh ("principles of jurisprudence"). The conformity in following of decisions by a religious expert or school is called . The term ghair muqallid refers to those who do not use taqlid and, by extension, do not have a madhab. The practice of an individual interpreting law with independent reasoning is called .

Religious personages

Crimean Tatar Muslim students (1856)

Islam has no clergy in the sacerdotal sense, such as priests who mediate between God and people. () is the religious title used to refer to an Islamic leadership position, often in the context of conducting an Islamic worship service. Religious interpretation is presided over by the ' ulama (Arabic: علماء), a term used describe the body of Muslim scholars who have received training in Islamic studies. A scholar of the hadith is called a , a scholar of jurisprudence is called a (), a jurist who is qualified to issue legal opinions or is called a mufti, and a is an Islamic judge. Honorific titles given to scholars include sheikh, mullah and . Some Muslims also venerate saints associated with miracles (, karāmāt).

Governance

In Islamic economic jurisprudence, hoarding of wealth is reviled and thus monopolistic behavior is frowned upon. Attempts to comply with sharia has led to the development of Islamic banking. Islam prohibits , usually translated as usury, which refers to any unfair gain in trade and is most commonly used to mean interest. Instead, Islamic banks go into partnership with the borrower, and both share from the profits and any losses from the venture. Another feature is the avoidance of uncertainty, which is seen as gambling and Islamic banks traditionally avoid derivative instruments such as futures or options which has historically protected them from market downturns. The Rashidun and Umayyad Caliphate used to be involved in distribution of charity from the treasury, known as Bayt al-mal, before it became a largely individual pursuit around the year 720. The first Caliph, Abu Bakr, distributed zakat as one of the first examples of a guaranteed minimum income, with each citizen getting 10 to 20 dirhams annually. During the reign of the second Caliph Umar, child support was introduced and the old and disabled were entitled to stipends, while the Umayyad Caliph Umar II assigned a servant for each blind person and for every two chronically ill persons.

Jihad means "to strive or struggle [in the way of God]" and, in its broadest sense, is "exerting one's utmost power, efforts, endeavors, or ability in contending with an object of disapprobation". Shias in particular emphasize the "greater jihad" of striving to attain spiritual self-perfection while the "lesser jihad" is defined as warfare. When used without a qualifier, jihad is often understood in its military form. Jihad is the only form of warfare permissible in Islamic law and may be declared against illegal works, terrorists, criminal groups, rebels, apostates, and leaders or states who oppress Muslims. Most Muslims today interpret Jihad as only a defensive form of warfare. Jihad only becomes an individual duty for those vested with authority. For the rest of the populace, this happens only in the case of a general mobilization. For most Twelver Shias, offensive jihad can only be declared by a divinely appointed leader of the Muslim community, and as such, is suspended since Muhammad al-Mahdi's occultation is 868 CE.

Daily and family life

Many daily practices fall in the category of adab, or etiquette. Specific prohibited foods include pork products, blood and carrion. Health is viewed as a trust from God and intoxicants, such as alcoholic drinks, are prohibited. All meat must come from a herbivorous animal slaughtered in the name of God by a Muslim, Jew, or Christian, except for game that one has hunted or fished for oneself. Beards are often encouraged among men as something natural and body modifications, such as permanent tattoos, are usually forbidden as violating the creation. Silk and gold are prohibited for men in Islam to maintain a state of sobriety. , often translated as "shame" or "modesty", is sometimes described as the innate character of Islam and informs much of Muslim daily life. For example, clothing in Islam emphasizes a standard of modesty, which has included the for women. Similarly, personal hygiene is encouraged with certain requirements.

An Islamic wedding.

In Islamic marriage, the groom is required to pay a bridal gift (). Most families in the Islamic world are monogamous. Muslim men are allowed to practice polygyny and can have up to four wives simultaneously. Islamic teachings strongly advise that if a man cannot ensure equal financial and emotional support for each of his wives, it is recommended that he marry just one woman. One reason cited for polygyny is that it allows a man to give financial protection to multiple women, who might otherwise not have any support (e.g. widows). However, the first wife can set a condition in the marriage contract that the husband cannot marry another woman during their marriage. There are also cultural variations in weddings. Polyandry, a practice wherein a woman takes on two or more husbands, is prohibited in Islam.

Shia Muslim girls studying the Quran placed atop folding lecterns (rehal) during Ramadan in Qom, Iran

After the birth of a child, the is pronounced in the right ear. On the seventh day, the ceremony is performed, in which an animal is sacrificed and its meat is distributed among the poor. The child's head is shaved, and an amount of money equaling the weight of its hair is donated to the poor. Male circumcision, called , is often practised in the Muslim world. Respecting and obeying one's parents, and taking care of them especially in their old age is a religious obligation.

A dying Muslim is encouraged to pronounce the Shahada as their last words. Paying respects to the dead and attending funerals in the community are considered among the virtuous acts. In Islamic burial rituals, burial is encouraged as soon as possible, usually within 24 hours. The body is washed, except for martyrs, by members of the same gender and enshrouded in a garment that must not be elaborate called kafan. A "funeral prayer" called Salat al-Janazah is performed. Wailing, or loud, mournful outcrying, is discouraged. Coffins are often not preferred and graves are often unmarked, even for kings.

Arts and culture

The term " Islamic culture" can be used to mean aspects of culture that pertain to the religion, such as festivals and dress code. It is also controversially used to denote the cultural aspects of traditionally Muslim people. Finally, "Islamic civilization" may also refer to the aspects of the synthesized culture of the early Caliphates, including that of non-Muslims, sometimes referred to as " Islamicate".

Islamic art encompasses the visual arts including fields as varied as architecture, calligraphy, painting, and ceramics, among others. While the making of images of animate beings has often been frowned upon in connection with laws against idolatry, this rule has been interpreted in different ways by different scholars and in different historical periods. This stricture has been used to explain the prevalence of calligraphy, tessellation, and pattern as key aspects of Islamic artistic culture. Additionally, the depiction of Muhammad is a contentious issue among Muslims. In Islamic architecture, varying cultures show influence such as North African and Spanish Islamic architecture such as the Great Mosque of Kairouan containing marble and porphyry columns from Roman and Byzantine buildings, while mosques in Indonesia often have multi-tiered roofs from local Javanese styles.

The Islamic calendar is a lunar calendar that begins with the Hijra of 622 CE, a date that was reportedly chosen by Caliph Umar as it was an important turning point in Muhammad's fortunes. Islamic holy days fall on fixed dates of the lunar calendar, meaning they occur in different seasons in different years in the Gregorian calendar. The most important Islamic festivals are ( Arabic: عيد الفطر) on the 1st of , marking the end of the fasting month Ramadan, and () on the 10th of Dhu al-Hijjah, coinciding with the end of the Hajj (pilgrimage).

Cultural Muslims are religiously non-practicing individuals who still identify with Islam due to family backgrounds, personal experiences, or the social and cultural environment in which they grew up.

Influences on other religions

Some movements, such as the Druze, Berghouata and Ha-Mim, either emerged from Islam or came to share certain beliefs with Islam, and whether each is a separate religion or a sect of Islam is sometimes controversial. The Druze faith further split from Isma'ilism as it developed its own unique doctrines, and finally separated from both Ismāʿīlīsm and Islam altogether; these include the belief that the Imam Al-Ḥākim bi-Amr Allāh was God incarnate. Yazdânism is seen as a blend of local Kurdish beliefs and Islamic Sufi doctrine introduced to Kurdistan by Sheikh Adi ibn Musafir in the 12th century. Bábism stems from Twelver Shia passed through Siyyid 'Ali Muhammad i-Shirazi al-Bab while one of his followers Mirza Husayn 'Ali Nuri Baha'u'llah founded the Baháʼí Faith. Sikhism, founded by Guru Nanak in late 15th century Punjab, primarily incorporates aspects of Hinduism, with some Islamic influences.

John of Damascus, under the Umayyad Caliphate, viewed Islamic doctrines as a hodgepodge from the Bible.[452]

Criticism of Islam has existed since its formative stages. Early criticism came from Jewish authors, such as Ibn Kammuna, and Christian authors, many of whom viewed Islam as a Christian heresy or a form of idolatry, often explaining it in apocalyptic terms.

Christian writers criticized Islam's sensual descriptions of paradise. Ali ibn Sahl Rabban al-Tabari defended the Quranic description of paradise by asserting that the Bible also implies such ideas, such as drinking wine in the Gospel of Matthew. Catholic theologian Augustine of Hippo's doctrines led to the broad repudiation of bodily pleasure in both life and the afterlife.

Defamatory images of Muhammad, derived from early 7th century depictions of the Byzantine Church, appear in the 14th-century epic poem Divine Comedy by Dante Alighieri. Here, Muhammad is depicted in the eighth circle of hell, along with Ali. Dante does not blame Islam as a whole but accuses Muhammad of schism, by establishing another religion after Christianity.

Other criticisms center on the treatment of individuals within modern Muslim-majority countries, including issues related to human rights, particularly in relation to the application of Islamic law. Furthermore, in the wake of the recent multiculturalism trend, Islam's influence on the ability of Muslim immigrants in the West to assimilate has been criticized.

References

Quran and hadith

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'Submission [to the Islam (; Arabic: ۘالِإسْلَام, al-ʾIslām , transl. will of God]') is an Abrahamic monotheistic religion centered on the Quran and the teachings of Muhammad, the religion's founder. Adherents of Islam, called Muslims, number approximately 1.9 billion globally and are the world's second-largest religious population after Christians.

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Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth. It is the world's largest religion, with about 2.5 billion followers. Its adherents, known as Christians, make up a majority of the population in 157 countries and territories, and believe that Jesus is the Son of God, whose coming as the messiah was prophesied in the Hebrew Bible (called the Old Testament in Christianity) and chronicled in the New Testament.

The four largest branches of Christianity are the Catholic Church (1.3 billion/50.1%), Protestantism (920 million/36.7%), the Eastern Orthodox Church (230 million), and the Oriental Orthodox churches (62 million) (Orthodox churches combined at 11.9%), though thousands of smaller church communities exist despite efforts toward unity ( ecumenism). Despite a decline in adherence in the West, Christianity remains the dominant religion in the region, with about 70% of that population identifying as Christian. Christianity is growing in Africa and Asia, the world's most populous continents. Christians remain persecuted in some regions of the world, especially in the Middle East, North Africa, East Asia, and South Asia.

Early Jewish Christians referred to themselves as 'The Way' ( Koinē Greek: τῆς ὁδοῦ, romanized: tês hodoû), probably coming from Isaiah 40:3, "prepare the way of the Lord." According to Acts 11:26, the term "Christian" (Χρῑστῐᾱνός , disciples, was first used in the city of Khrīstiānós), meaning "followers of Christ" in reference to Jesus's Antioch by the non-Jewish inhabitants there. Another very early recorded use of the term "Christianity" (Χρῑστῐᾱνισμός , Ignatius of Antioch around 100 AD. Khrīstiānismós) was by

Concise doctrinal statements or confessions of religious beliefs are known as creeds. They began as baptismal formulae and were later expanded during the Christological controversies of the 4th and 5th centuries to become statements of faith. " Jesus is Lord" is the earliest creed of Christianity and continues to be used, as with the World Council of Churches.

The Nicene Creed was formulated, largely in response to Arianism, at the Councils of Nicaea and Constantinople in 325 and 381 respectively, and ratified as the universal creed of Christendom by the First Council of Ephesus in 431.

The Chalcedonian Definition, or Creed of Chalcedon, developed at the Council of Chalcedon in 451, though rejected by the Oriental Orthodox, taught Christ "to be acknowledged in two natures, in confusedly, unchangeably, indivisibly, inseparably": one divine and one human, and that both natures, while perfect in themselves, are nevertheless also perfectly united into one person.

Most Christians ( Catholic, Eastern Orthodox, Oriental Orthodox, and Protestant alike) accept the use of creeds, and subscribe to at least one of the creeds mentioned above.

Many Evangelical Protestants reject creeds as definitive statements of faith, even while agreeing with some or all of the substance of the creeds. For example, most Baptists do not use creeds "in that they have not sought to establish binding authoritative confessions of faith on one another." Also rejecting creeds are groups with roots in the Restoration Movement, such as the Christian Church (Disciples of Christ), the Evangelical Christian Church in Canada, and the Churches of Christ.

The central tenet of Christianity is the belief in Jesus as the Son of God and the Messiah (Christ). Christians believe that Jesus, as the Messiah, was anointed by God as savior of humanity and hold that Jesus' coming was the fulfillment of messianic prophecies of the Old Testament. The Christian concept of messiah differs significantly from the contemporary Jewish concept. The core Christian belief is that through belief in and acceptance of the death and resurrection of Jesus, sinful humans can be reconciled to God, and thereby are offered salvation and the promise of eternal life.

While there have been many theological disputes over the nature of Jesus over the earliest centuries of Christian history, generally, Christians believe that Jesus is God incarnate and " true God and true man" (or both fully divine and fully human). Jesus, having become fully human, suffered the pains and temptations of a mortal man, but did not sin. As fully God, he rose to life again. According to the New Testament, he rose from the dead, ascended to heaven, is seated at the right hand of the Father, and will ultimately return to fulfill the rest of the Messianic prophecy, including the resurrection of the dead, the Last Judgment, and the final establishment of the Kingdom of God.

According to the canonical gospels of Matthew and Luke, Jesus was conceived by the Holy Spirit and born from the Virgin Mary. Little of Jesus' childhood is recorded in the canonical gospels, although infancy gospels were popular in antiquity. In comparison, his adulthood, especially the week before his death, is well documented in the gospels contained within the New Testament, because that part of his life is believed to be most important. The biblical accounts of Jesus' ministry include: his baptism, miracles, preaching, teaching, and deeds.

Death and resurrection

Christians consider the resurrection of Jesus to be the cornerstone of their faith (see 1 Corinthians 15) and the most important event in history. Among Christian beliefs, the death and resurrection of Jesus are two core events on which much of Christian doctrine and theology is based. According to the New Testament, Jesus was crucified, died a physical death, was buried within a tomb, and rose from the dead three days later.

The New Testament mentions several post-resurrection appearances of Jesus on different occasions to his twelve apostles and disciples, including "more than five hundred brethren at once", before Jesus' ascension to heaven. Jesus' death and resurrection are commemorated by Christians in all worship services, with special emphasis during Holy Week, which includes Good Friday and Easter Sunday.

Christian churches accept and teach the New Testament account of the resurrection of Jesus with very few exceptions. Some modern scholars use the belief of Jesus' followers in the resurrection as a point of departure for establishing the continuity of the historical Jesus and the proclamation of the early church. Some liberal Christians do not accept a literal bodily resurrection, seeing the story as richly symbolic and spiritually nourishing myth. Arguments over death and resurrection claims occur at many religious debates and interfaith dialogues. Paul the Apostle, an early Christian convert and missionary, wrote, "If Christ was not raised, then all our preaching is useless, and your trust in God is useless."

Paul the Apostle, like Jews and Roman pagans of his time, believed that sacrifice can bring about new kinship ties, purity, and eternal life. For Paul, the necessary sacrifice was the death of Jesus: Gentiles who are "Christ's" are, like Israel, descendants of Abraham and "heirs according to the promise" The God who raised Jesus from the dead would also give new life to the "mortal bodies" of Gentile Christians, who had become with Israel, the "children of God", and were therefore no longer "in the flesh".

Modern Christian churches tend to be much more concerned with how humanity can be saved from a universal condition of sin and death than the question of how both Jews and Gentiles can be in God's family. According to Eastern Orthodox theology, based upon their understanding of the atonement as put forward by Irenaeus' recapitulation theory, Jesus' death is a ransom. This restores the relation with God, who is loving and reaches out to humanity, and offers the possibility of c.q. divinization, becoming the kind of humans God wants humanity to be. According to Catholic doctrine, Jesus' death satisfies the wrath of God, aroused by the offense to God's honor caused by human's sinfulness. The Catholic Church teaches that salvation does not occur without faithfulness on the part of Christians; converts must live in accordance with principles of love and ordinarily must be baptized. In Protestant theology, Jesus' death is regarded as a substitutionary penalty carried by Jesus, for the debt that has to be paid by humankind when it broke God's moral law.

Christians differ in their views on the extent to which individuals' salvation is pre-ordained by God. Reformed theology places distinctive emphasis on grace by teaching that individuals are completely incapable of self-redemption, but that sanctifying grace is irresistible. In contrast Catholics, Orthodox Christians, and Arminian Protestants believe that the exercise of free will is necessary to have faith in Jesus.

Trinity refers to the teaching that the one God comprises three distinct, eternally co-existing persons: the , the Son (incarnate in Jesus Christ), and the Holy Spirit. Together, these three persons are sometimes called the Godhead, although there is no single term in use in Scripture to denote the unified Godhead. In the words of the Athanasian Creed, an early statement of Christian belief, "the Father is God, the Son is God, and the Holy Spirit is God, and yet there are not three Gods but one God". They are distinct from another: the Father has no source, the Son is begotten of the Father, and the Spirit proceeds from the Father. Though distinct, the three persons cannot be divided from one another in being or in operation. While some Christians also believe that God appeared as the Father in the Old Testament, it is agreed that he appeared as the Son in the New Testament, and will still continue to manifest as the Holy Spirit in the present. But still, God still existed as three persons in each of these times. However, traditionally there is a belief that it was the Son who appeared in the Old Testament because, for example, when the Trinity is depicted in art, the Son typically has the distinctive appearance, a cruciform halo identifying Christ, and in depictions of the Garden of Eden, this looks forward to an Incarnation yet to occur. In some Early Christian sarcophagi the Logos is distinguished with a beard, "which allows him to appear ancient, even pre-existent."

The Trinity is an essential doctrine of mainstream Christianity. From earlier than the times of the Nicene Creed (325) Christianity advocated the triune mystery-nature of God as a normative profession of faith. According to Roger E. Olson and Christopher Hall, through prayer, meditation, study and practice, the Christian community concluded "that God must exist as both a unity and trinity", codifying this in ecumenical council at the end of the 4th century.

According to this doctrine, God is not divided in the sense that each person has a third of the whole; rather, each person is considered to be fully God (see Perichoresis). The distinction lies in their relations, the Father being unbegotten; the Son being begotten of the Father; and the Holy Spirit proceeding from the Father and (in Western Christian theology) from the Son. Regardless of this apparent difference, the three "persons" are each eternal and omnipotent. Other Christian religions including Unitarian Universalism, Jehovah's Witnesses, and Mormonism, do not share those views on the Trinity.

The Greek word trias is first seen in this sense in the works of Theophilus of Antioch; his text reads: "of the Trinity, of God, and of His Word, and of His Wisdom". The term may have been in use before this time; its Latin equivalent, trinitas, appears afterwards with an explicit reference to the Father, the Son, and the Holy Spirit, in Tertullian. In the following century, the word was in general use. It is found in many passages of Origen.

Trinitarians

Trinitarianism denotes Christians who believe in the concept of the Trinity. Almost all Christian denominations and churches hold Trinitarian beliefs. Although the words "Trinity" and "Triune" do not appear in the Bible, beginning in the 3rd century theologians developed the term and concept to facilitate comprehension of the New Testament teachings of God as being Father, Son, and Holy Spirit. Since that time, Christian theologians have been careful to emphasize that Trinity does not imply that there are three gods (the antitrinitarian heresy of Tritheism), nor that each hypostasis of the Trinity is one-third of an infinite God (partialism), nor that the Son and the Holy Spirit are beings created by and subordinate to the Father ( Arianism). Rather, the Trinity is defined as one God in three persons.

Nontrinitarianism

Nontrinitarianism (or antitrinitarianism) refers to theology that rejects the doctrine of the Trinity. Various nontrinitarian views, such as adoptionism or modalism, existed in early Christianity, leading to the disputes about Christology. Nontrinitarianism reappeared in the Gnosticism of the Cathars between the 11th and 13th centuries, among groups with Unitarian theology in the Protestant Reformation of the 16th century, in the 18th-century Enlightenment, amongst some groups arising during the Second Great Awakening of the 19th century, and most recently, in Oneness Pentecostal churches.

Eschatology

The end of things, whether the end of an individual life, the end of the age, or the end of the world, broadly speaking, is Christian eschatology; the study of the destiny of humans as it is revealed in the Bible. The major issues in Christian eschatology are the Tribulation, death and the afterlife, (mainly for Evangelical groups) the Millennium and the following Rapture, the Second Coming of Jesus, Resurrection of the Dead, Heaven, (for liturgical branches) Purgatory, and Hell, the Last Judgment, the end of the world, and the New Heavens and New Earth.

Christians believe that the second coming of Christ will occur at the end of time, after a period of severe persecution (the Great Tribulation). All who have died will be resurrected bodily from the dead for the Last Judgment. Jesus will fully establish the Kingdom of God in fulfillment of scriptural prophecies.

Death and afterlife

Most Christians believe that human beings experience divine judgment and are rewarded either with eternal life or eternal damnation. This includes the general judgement at the resurrection of the dead as well as the belief (held by Catholics, Orthodox and most Protestants) in a judgment particular to the individual soul upon physical death.

In the Catholic branch of Christianity, those who die in a state of grace, i.e., without any mortal sin separating them from God, but are still imperfectly purified from the effects of sin, undergo purification through the intermediate state of purgatory to achieve the holiness necessary for entrance into God's presence. Those who have attained this goal are called saints (Latin sanctus, "holy").

Depending on the specific denomination of Christianity, practices may include baptism, the Eucharist (Holy Communion or the Lord's Supper), prayer (including the Lord's Prayer), confession, confirmation, burial rites, marriage rites and the religious education of children. Most denominations have ordained clergy who lead regular communal worship services.

Christian rites, rituals, and ceremonies are not celebrated in one single sacred language. Many ritualistic Christian churches make a distinction between sacred language, liturgical language and vernacular language. The three important languages in the early Christian era were: Latin, Greek and Syriac.

Communal worship

Services of worship typically follow a pattern or form known as liturgy. Justin Martyr described 2nd-century Christian liturgy in his First Apology ( c. 150) to Emperor Antoninus Pius, and his description remains relevant to the basic structure of Christian liturgical worship:

And on the day called Sunday, all who live in cities or in the country gather together to one place, and the memoirs of the apostles or the writings of the prophets are read, as long as time permits; then, when the reader has ceased, the president verbally instructs, and exhorts to the imitation of these good things. Then we all rise together and pray, and, as we before said, when our prayer is ended, bread and wine and water are brought, and the president in like manner offers prayers and thanksgivings, according to his ability, and the people assent, saying Amen; and there is a distribution to each, and a participation of that over which thanks have been given, and to those who are absent a portion is sent by the deacons. And they who are well to do, and willing, give what each thinks fit; and what is collected is deposited with the president, who succours the orphans and widows and those who, through sickness or any other cause, are in want, and those who are in bonds and the strangers sojourning among us, and in a word takes care of all who are in need.

Thus, as Justin described, Christians assemble for communal worship typically on Sunday, the day of the resurrection, though other liturgical practices often occur outside this setting. Scripture readings are drawn from the Old and New Testaments, but especially the gospels. Instruction is given based on these readings, called a sermon or homily. There are a variety of congregational prayers, including thanksgiving, confession, and intercession, which occur throughout the service and take a variety of forms including recited, responsive, silent, or sung. Psalms, hymns, worship songs, and other church music may be sung. Services can be varied for special events like significant feast days.

Nearly all forms of worship incorporate the Eucharist, which consists of a meal. It is reenacted in accordance with Jesus' instruction at the Last Supper that his followers do in remembrance of him as when he gave his disciples bread, saying, "This is my body", and gave them wine saying, "This is my blood". In the early church, Christians and those yet to complete initiation would separate for the Eucharistic part of the service. Some denominations such as Confessional Lutheran churches continue to practice ' closed communion'. They offer communion to those who are already united in that denomination or sometimes individual church. Catholics further restrict participation to their members who are not in a state of mortal sin. Many other churches, such as Anglican Communion and United Methodist Church, practice ' open communion' since they view communion as a means to unity, rather than an end, and invite all believing Christians to participate.

Sacraments or ordinances

And this food is called among us Eukharistia [the Eucharist], of which no one is allowed to partake but the man who believes that the things which we teach are true, and who has been washed with the washing that is for the remission of sins, and unto regeneration, and who is so living as Christ has enjoined. For not as common bread and common drink do we receive these; but in like manner as Jesus Christ our Savior, having been made flesh by the Word of God, had both flesh and blood for our salvation, so likewise have we been taught that the food which is blessed by the prayer of His word, and from which our blood and flesh by transmutation are nourished, is the flesh and blood of that Jesus who was made flesh.

In Christian belief and practice, a sacrament is a rite, instituted by Christ, that confers grace, constituting a sacred mystery. The term is derived from the Latin word sacramentum, which was used to translate the Greek word for mystery. Views concerning both which rites are sacramental, and what it means for an act to be a sacrament, vary among Christian denominations and traditions.

The most conventional functional definition of a sacrament is that it is an outward sign, instituted by Christ, that conveys an inward, spiritual grace through Christ. The two most widely accepted sacraments are Baptism and the Eucharist; however, the majority of Christians also recognize five additional sacraments: Confirmation ( Chrismation in the Eastern tradition), Holy Orders (or ordination), Penance (or Confession), Anointing of the Sick, and Matrimony (see Christian views on marriage).

Taken together, these are the Seven Sacraments as recognized by churches in the High Church tradition-notably Catholic, Eastern Orthodox, Oriental Orthodox, Independent Catholic, Old Catholic, many Anglicans, and some Lutherans. Most other denominations and traditions typically affirm only Baptism and Eucharist as sacraments, while some Protestant groups, such as the Quakers, reject sacramental theology. Evangelical churches adhering to the doctrine of the believers' Church mostly use the term " ordinances" to refer to baptism and communion.

Liturgical calendar

Catholics, Eastern Christians, Lutherans, Anglicans and other traditional Protestant communities frame worship around the liturgical year. The liturgical cycle divides the year into a series of seasons, each with their theological emphases, and modes of prayer, which can be signified by different ways of decorating churches, colors of paraments and vestments for clergy, scriptural readings, themes for preaching and even different traditions and practices often observed personally or in the home.

Western Christian liturgical calendars are based on the cycle of the Roman Rite of the Catholic Church, and Eastern Christians use analogous calendars based on the cycle of their respective rites. Calendars set aside holy days, such as solemnities which commemorate an event in the life of Jesus, Mary, or the saints, and periods of fasting, such as Lent and other pious events such as memoria, or lesser festivals commemorating saints. Christian groups that do not follow a liturgical tradition often retain certain celebrations, such as Christmas, Easter, and Pentecost: these are the celebrations of Christ's birth, resurrection, and the descent of the Holy Spirit upon the Church, respectively. A few denominations such as Quaker Christians make no use of a liturgical calendar.

Christianity has not generally practiced aniconism, the avoidance or prohibition of devotional images, even if early Jewish Christians and some modern denominations, invoking the Decalogue's prohibition of idolatry, avoided figures in their symbols.

The cross, today one of the most widely recognized symbols, was used by Christians from the earliest times. Tertullian, in his book De Corona, tells how it was already a tradition for Christians to trace the sign of the cross on their foreheads. Although the cross was known to the early Christians, the crucifix did not appear in use until the 5th century.

Among the earliest Christian symbols, that of the fish or Ichthys seems to have ranked first in importance, as seen on monumental sources such as tombs from the first decades of the 2nd century. Its popularity seemingly[attribution needed ] arose from the Greek word ichthys (fish) forming an acrostic for the Greek phrase Iesous Christos Theou Yios Soter (Ἰησοῦς Χριστός, Θεοῦ Υἱός, Σωτήρ), (Jesus Christ, Son of God, Savior), a concise summary of Christian faith.

Baptism is the ritual act, with the use of water, by which a person is admitted to membership of the Church. Beliefs on baptism vary among denominations. Differences occur firstly on whether the act has any spiritual significance. Some, such as the Catholic and Eastern Orthodox churches, as well as Lutherans and Anglicans, hold to the doctrine of baptismal regeneration, which affirms that baptism creates or strengthens a person's faith, and is intimately linked to salvation. Others view baptism as a purely symbolic act, an external public declaration of the inward change which has taken place in the person, but not as spiritually efficacious. Secondly, there are differences of opinion on the methodology of the act. These methods are: by immersion; if immersion is total, by submersion; by affusion (pouring); and by aspersion (sprinkling). Those who hold the first view may also adhere to the tradition of infant baptism; the Orthodox Churches all practice infant baptism and always baptize by total immersion repeated three times in the name of the Father, the Son, and the Holy Spirit. The Catholic Church also practices infant baptism, usually by affusion, and utilizing the Trinitarian formula.

Evangelical denominations adhering to the doctrine of the believers' Church, practice the believer's baptism, by immersion in water, after the new birth and a profession of faith. For newborns, there is a ceremony called child dedication.

"... 'Our Father in heaven, hallowed be your name. Your kingdom come. Your will be done on earth as it is in heaven. Give us today our daily bread. Forgive us our debts, as we also forgive our debtors. Lead us not into temptation, but deliver us from evil.'"

In the Gospel of Saint Matthew, Jesus taught the Lord's Prayer, which has been seen as a model for Christian prayer. The injunction for Christians to pray the Lord's prayer thrice daily was given in the and came to be recited by Christians at 9 am, 12 pm, and 3 pm.

In the second century Apostolic Tradition, Hippolytus instructed Christians to pray at seven fixed prayer times: "on rising, at the lighting of the evening lamp, at bedtime, at midnight" and "the third, sixth and ninth hours of the day, being hours associated with Christ's Passion." Prayer positions, including kneeling, standing, and prostrations have been used for these seven fixed prayer times since the days of the early Church. Breviaries such as the Shehimo and Agpeya are used by Oriental Orthodox Christians to pray these canonical hours while facing in the eastward direction of prayer.

The Apostolic Tradition directed that the sign of the cross be used by Christians during the minor exorcism of baptism, during ablutions before praying at fixed prayer times, and in times of temptation.

Intercessory prayer is prayer offered for the benefit of other people. There are many intercessory prayers recorded in the Bible, including prayers of the Apostle Peter on behalf of sick persons and by prophets of the Old Testament in favor of other people.[1Ki 17:19-22] In the Epistle of James, no distinction is made between the intercessory prayer offered by ordinary believers and the prominent Old Testament prophet Elijah. The effectiveness of prayer in Christianity derives from the power of God rather than the status of the one praying.

The ancient church, in both Eastern and Western Christianity, developed a tradition of asking for the intercession of (deceased) saints, and this remains the practice of most Eastern Orthodox, Oriental Orthodox, Catholic, and some Anglican churches. Churches of the Protestant Reformation, however, rejected prayer to the saints, largely on the basis of the sole mediatorship of Christ. The reformer Huldrych Zwingli admitted that he had offered prayers to the saints until his reading of the Bible convinced him that this was idolatrous.

According to the Catechism of the Catholic Church: "Prayer is the raising of one's mind and heart to God or the requesting of good things from God." The Book of Common Prayer in the Anglican tradition is a guide which provides a set order for services, containing set prayers, scripture readings, and hymns or sung Psalms. Frequently in Western Christianity, when praying, the hands are placed palms together and forward as in the feudal commendation ceremony. At other times the older orans posture may be used, with palms up and elbows in.

Scriptures

Christianity, like other religions, has adherents whose beliefs and biblical interpretations vary. Christianity regards the biblical canon, the Old Testament and the New Testament, as the inspired word of God. The traditional view of inspiration is that God worked through human authors so that what they produced was what God wished to communicate. The Greek word referring to inspiration in 2 Timothy 3:16 is theopneustos, which literally means "God-breathed".

Some believe that divine inspiration makes our present Bibles inerrant. Others claim inerrancy for the Bible in its original manuscripts, although none of those are extant. Still others maintain that only a particular translation is inerrant, such as the King James Version. Another closely related view is biblical infallibility or limited inerrancy, which affirms that the Bible is free of error as a guide to salvation, but may include errors on matters such as history, geography, or science.

The books of the Bible accepted by the Orthodox, Catholic, and Protestant churches vary somewhat, with Jews accepting only the Hebrew Bible as canonical; however, there is substantial overlap. These variations are a reflection of the range of traditions, and of the councils that have convened on the subject. Every version of the Old Testament always includes the books of the Tanakh, the canon of the Hebrew Bible. The Catholic and Orthodox canons, in addition to the Tanakh, also include the deuterocanonical books as part of the Old Testament. These books appear in the Septuagint, but are regarded by Protestants to be apocryphal. However, they are considered to be important historical documents which help to inform the understanding of words, grammar, and syntax used in the historical period of their conception. Some versions of the Bible include a separate Apocrypha section between the Old Testament and the New Testament. The New Testament, originally written in Koine Greek, contains 27 books which are agreed upon by all major churches.

Modern scholarship has raised many issues with the Bible. While the King James Version is held to by many because of its striking English prose, in fact it was translated from the Erasmus Greek Bible, which in turn "was based on a single 12th Century manuscript that is one of the worst manuscripts we have available to us". Much scholarship in the past several hundred years has gone into comparing different manuscripts in order to reconstruct the original text. Another issue is that several books are considered to be forgeries. The injunction that women "be silent and submissive" in 1 Timothy 2 is thought by many to be a forgery by a follower of Paul, a similar phrase in 1 Corinthians 14, which is thought to be by Paul, appears in different places in different manuscripts and is thought to originally be a margin note by a copyist. Other verses in 1 Corinthians, such as 1 Corinthians 11:2-16 where women are instructed to wear a covering over their hair "when they pray or prophesies", contradict this verse.

A final issue with the Bible is the way in which books were selected for inclusion in the New Testament. Other gospels have now been recovered, such as those found near Nag Hammadi in 1945, and while some of these texts are quite different from what Christians have been used to, it should be understood that some of this newly recovered Gospel material is quite possibly contemporaneous with, or even earlier than, the New Testament Gospels. The core of the Gospel of Thomas, in particular, may date from as early as AD 50 (although some major scholars contest this early dating), and if so would provide an insight into the earliest gospel texts that underlie the canonical Gospels, texts that are mentioned in Luke 1:1-2. The Gospel of Thomas contains much that is familiar from the canonical Gospels-verse 113, for example ("The Father's Kingdom is spread out upon the earth, but people do not see it"), is reminiscent of Luke 17:20-21-and the Gospel of John, with a terminology and approach that is suggestive of what was later termed Gnosticism, has recently been seen as a possible response to the Gospel of Thomas, a text that is commonly labeled proto-Gnostic. Scholarship, then, is currently exploring the relationship in the early church between mystical speculation and experience on the one hand and the search for church order on the other, by analyzing new-found texts, by subjecting canonical texts to further scrutiny, and by an examination of the passage of New Testament texts to canonical status.

Some denominations have additional canonical holy scriptures beyond the Bible, including the standard works of the Latter Day Saints movement and Divine Principle in the Unification Church.

Catholic interpretation

In antiquity, two schools of exegesis developed in Alexandria and Antioch. The Alexandrian interpretation, exemplified by Origen, tended to read Scripture allegorically, while the Antiochene interpretation adhered to the literal sense, holding that other meanings (called ) could only be accepted if based on the literal meaning.

Catholic theology distinguishes two senses of scripture: the literal and the spiritual.

The literal sense of understanding scripture is the meaning conveyed by the words of Scripture. The spiritual sense is further subdivided into:

Regarding exegesis, following the rules of sound interpretation, Catholic theology holds:

The injunction that all other senses of sacred scripture are based on the literal

That the historicity of the Gospels must be absolutely and constantly held

That scripture must be read within the "living Tradition of the whole Church" and

That "the task of interpretation has been entrusted to the bishops in communion with the successor of Peter, the Bishop of Rome".

Protestant interpretation

Qualities of Scripture

Many Protestant Christians, such as Lutherans and the Reformed, believe in the doctrine of sola scriptura--that the Bible is a self-sufficient revelation, the final authority on all Christian doctrine, and revealed all truth necessary for salvation; other Protestant Christians, such as Methodists and Anglicans, affirm the doctrine of prima scriptura which teaches that Scripture is the primary source for Christian doctrine, but that "tradition, experience, and reason" can nurture the Christian religion as long as they are in harmony with the Bible. Protestants characteristically believe that ordinary believers may reach an adequate understanding of Scripture because Scripture itself is clear in its meaning (or "perspicuous"). Martin Luther believed that without God's help, Scripture would be "enveloped in darkness". He advocated for "one definite and simple understanding of Scripture". John Calvin wrote, "all who refuse not to follow the Holy Spirit as their guide, find in the Scripture a clear light". Related to this is "efficacy", that Scripture is able to lead people to faith; and "sufficiency", that the Scriptures contain everything that one needs to know in order to obtain salvation and to live a Christian life.

Original intended meaning of Scripture

Protestants stress the meaning conveyed by the words of Scripture, the historical-grammatical method. The historical-grammatical method or grammatico-historical method is an effort in Biblical hermeneutics to find the intended original meaning in the text. This original intended meaning of the text is drawn out through examination of the passage in light of the grammatical and syntactical aspects, the historical background, the literary genre, as well as theological (canonical) considerations. The historical-grammatical method distinguishes between the one original meaning and the significance of the text. The significance of the text includes the ensuing use of the text or application. The original passage is seen as having only a single meaning or sense. As Milton S. Terry said: "A fundamental principle in grammatico-historical exposition is that the words and sentences can have but one significance in one and the same connection. The moment we neglect this principle we drift out upon a sea of uncertainty and conjecture." Technically speaking, the grammatical-historical method of interpretation is distinct from the determination of the passage's significance in light of that interpretation. Taken together, both define the term (Biblical) hermeneutics. Some Protestant interpreters make use of typology.

Early Christianity

Apostolic Age

Christianity developed during the 1st century CE as a Jewish Christian sect with Hellenistic influence of Second Temple Judaism. An early Jewish Christian community was founded in Jerusalem under the leadership of the Pillars of the Church, namely James the Just, the brother of Jesus, Peter, and John.

Jewish Christianity soon attracted Gentile God-fearers, posing a problem for its Jewish religious outlook, which insisted on close observance of the Jewish commandments. Paul the Apostle solved this by insisting that salvation by faith in Christ, and participation in his death and resurrection by their baptism, sufficed. At first he persecuted the early Christians, but after a conversion experience he preached to the gentiles, and is regarded as having had a formative effect on the emerging Christian identity as separate from Judaism. Eventually, his departure from Jewish customs would result in the establishment of Christianity as an independent religion.

Ante-Nicene period

This formative period was followed by the early bishops, whom Christians consider the successors of Christ's apostles. From the year 150, Christian teachers began to produce theological and apologetic works aimed at defending the faith. These authors are known as the Church Fathers, and the study of them is called patristics. Notable early Fathers include Ignatius of Antioch, Polycarp, Justin Martyr, Irenaeus, Tertullian, Clement of Alexandria and Origen.

Persecution of Christians occurred intermittently and on a small scale by both Jewish and Roman authorities, with Roman action starting at the time of the Great Fire of Rome in 64 AD. Examples of early executions under Jewish authority reported in the New Testament include the deaths of Saint Stephen and James, son of Zebedee. The Decian persecution was the first empire-wide conflict, when the edict of Decius in 250 AD required everyone in the Roman Empire (except Jews) to perform a sacrifice to the Roman gods. The Diocletianic Persecution beginning in 303 AD was also particularly severe. Roman persecution ended in 313 AD with the Edict of Milan.

While Proto-orthodox Christianity was becoming dominant, heterodox sects also existed at the same time, which held radically different beliefs. Gnostic Christianity developed a duotheistic doctrine based on illusion and enlightenment rather than forgiveness of sin. With only a few scriptures overlapping with the developing orthodox canon, most Gnostic texts and Gnostic gospels were eventually considered heretical and suppressed by mainstream Christians. A gradual splitting off of Gentile Christianity left Jewish Christians continuing to follow the Law of Moses, including practices such as circumcision. By the fifth century, they and the Jewish-Christian gospels would be largely suppressed by the dominant sects in both Judaism and Christianity.

Spread and acceptance in Roman Empire

Christianity spread to Aramaic-speaking peoples along the Mediterranean coast and also to the inland parts of the Roman Empire and beyond that into the Parthian Empire and the later Sasanian Empire, including Mesopotamia, which was dominated at different times and to varying extents by these empires. The presence of Christianity in Africa began in the middle of the 1st century in Egypt and by the end of the 2nd century in the region around Carthage. Mark the Evangelist is claimed to have started the Church of Alexandria in about 43 CE; various later churches claim this as their own legacy, including the Coptic Orthodox Church. Important Africans who influenced the early development of Christianity include Tertullian, Clement of Alexandria, Origen of Alexandria, Cyprian, Athanasius, and Augustine of Hippo.

King Tiridates III made Christianity the state religion in Armenia between 301 and 314, thus Armenia became the first officially Christian state. It was not an entirely new religion in Armenia, having penetrated into the country from at least the third century, but it may have been present even earlier.

Constantine I was exposed to Christianity in his youth, and throughout his life his support for the religion grew, culminating in baptism on his deathbed. During his reign, state-sanctioned persecution of Christians was ended with the Edict of Toleration in 311 and the Edict of Milan in 313. At that point, Christianity was still a minority belief, comprising perhaps only five percent of the Roman population. Influenced by his adviser Mardonius, Constantine's nephew Julian unsuccessfully tried to suppress Christianity. On 27 February 380, Theodosius I, Gratian, and Valentinian II established Nicene Christianity as the State church of the Roman Empire. As soon as it became connected to the state, Christianity grew wealthy; the Church solicited donations from the rich and could now own land.

Constantine was also instrumental in the convocation of the First Council of Nicaea in 325, which sought to address Arianism and formulated the Nicene Creed, which is still used by in Catholicism, Eastern Orthodoxy, Lutheranism, Anglicanism, and many other Protestant churches. Nicaea was the first of a series of ecumenical councils, which formally defined critical elements of the theology of the Church, notably concerning Christology. The Church of the East did not accept the third and following ecumenical councils and is still separate today by its successors ( Assyrian Church of the East).

In terms of prosperity and cultural life, the Byzantine Empire was one of the peaks in Christian history and Christian civilization, and Constantinople remained the leading city of the Christian world in size, wealth, and culture. There was a renewed interest in classical Greek philosophy, as well as an increase in literary output in vernacular Greek. Byzantine art and literature held a preeminent place in Europe, and the cultural impact of Byzantine art on the West during this period was enormous and of long-lasting significance. The later rise of Islam in North Africa reduced the size and numbers of Christian congregations, leaving in large numbers only the Coptic Church in Egypt, the Ethiopian Orthodox Tewahedo Church in the Horn of Africa and the Nubian Church in the Sudan (Nobatia, Makuria and Alodia).

Early Middle Ages

With the decline and fall of the Roman Empire in the West, the papacy became a political player, first visible in Pope Leo's diplomatic dealings with Huns and Vandals. The church also entered into a long period of missionary activity and expansion among the various tribes. While Arianists instituted the death penalty for practicing pagans (see the Massacre of Verden, for example), what would later become Catholicism also spread among the Hungarians, the Germanic, the Celtic, the Baltic and some Slavic peoples.

Around 500, St. Benedict set out his Monastic Rule, establishing a system of regulations for the foundation and running of monasteries. Monasticism became a powerful force throughout Europe, and gave rise to many early centers of learning, most famously in Ireland, Scotland, and Gaul, contributing to the Carolingian Renaissance of the 9th century.

In the 7th century, Muslims conquered Syria (including Jerusalem), North Africa, and Spain, converting some of the Christian population to Islam, and placing the rest under a separate legal status. Part of the Muslims' success was due to the exhaustion of the Byzantine Empire in its decades long conflict with Persia. Beginning in the 8th century, with the rise of Carolingian leaders, the Papacy sought greater political support in the Frankish Kingdom.

The Middle Ages brought about major changes within the church. Pope Gregory the Great dramatically reformed the ecclesiastical structure and administration. In the early 8th century, iconoclasm became a divisive issue, when it was sponsored by the Byzantine emperors. The Second Ecumenical Council of Nicaea (787) finally pronounced in favor of icons. In the early 10th century, Western Christian monasticism was further rejuvenated through the leadership of the great Benedictine monastery of Cluny.

High and Late Middle Ages

In the West, from the 11th century onward, some older cathedral schools became universities (see, for example, University of Oxford, University of Paris and University of Bologna). Previously, higher education had been the domain of Christian cathedral schools or monastic schools ( Scholae monasticae), led by monks and nuns. Evidence of such schools dates back to the 6th century CE. These new universities expanded the curriculum to include academic programs for clerics, lawyers, civil servants, and physicians. The university is generally regarded as an institution that has its origin in the Medieval Christian setting.

Accompanying the rise of the "new towns" throughout Europe, mendicant orders were founded, bringing the consecrated religious life out of the monastery and into the new urban setting. The two principal mendicant movements were the Franciscans and the Dominicans, founded by St. Francis and St. Dominic, respectively. Both orders made significant contributions to the development of the great universities of Europe. Another new order was the Cistercians, whose large isolated monasteries spearheaded the settlement of former wilderness areas. In this period, church building and ecclesiastical architecture reached new heights, culminating in the orders of Romanesque and Gothic architecture and the building of the great European cathedrals.

Christian nationalism emerged during this era in which Christians felt the impulse to recover lands in which Christianity had historically flourished. From 1095 under the pontificate of Urban II, the First Crusade was launched. These were a series of military campaigns in the Holy Land and elsewhere, initiated in response to pleas from the Byzantine Emperor Alexios I for aid against Turkish expansion. The Crusades ultimately failed to stifle Islamic aggression and even contributed to Christian enmity with the sacking of Constantinople during the Fourth Crusade.

The Christian Church experienced internal conflict between the 7th and 13th centuries that resulted in a schism between the so-called Latin or Western Christian branch (the Catholic Church), and an Eastern, largely Greek, branch (the Eastern Orthodox Church). The two sides disagreed on a number of administrative, liturgical and doctrinal issues, most prominently Eastern Orthodox opposition to papal supremacy. The Second Council of Lyon (1274) and the Council of Florence (1439) attempted to reunite the churches, but in both cases, the Eastern Orthodox refused to implement the decisions, and the two principal churches remain in schism to the present day. However, the Catholic Church has achieved union with various smaller eastern churches.

In the thirteenth century, a new emphasis on Jesus' suffering, exemplified by the Franciscans' preaching, had the consequence of turning worshippers' attention towards Jews, on whom Christians had placed the blame for Jesus' death. Christianity's limited tolerance of Jews was not new-Augustine of Hippo said that Jews should not be allowed to enjoy the citizenship that Christians took for granted-but the growing antipathy towards Jews was a factor that led to the expulsion of Jews from England in 1290, the first of many such expulsions in Europe.

Beginning around 1184, following the crusade against Cathar heresy, various institutions, broadly referred to as the Inquisition, were established with the aim of suppressing heresy and securing religious and doctrinal unity within Christianity through conversion and prosecution.

Protestant Reformation and Counter-Reformation

The 15th-century Renaissance brought about a renewed interest in ancient and classical learning. During the Reformation, Martin Luther posted the Ninety-five Theses 1517 against the sale of indulgences. Printed copies soon spread throughout Europe. In 1521 the Edict of Worms condemned and excommunicated Luther and his followers, resulting in the schism of the Western Christendom into several branches.

Other reformers like Zwingli, Oecolampadius, Calvin, Knox, and Arminius further criticized Catholic teaching and worship. These challenges developed into the movement called Protestantism, which repudiated the primacy of the pope, the role of tradition, the seven sacraments, and other doctrines and practices. The Reformation in England began in 1534, when King Henry VIII had himself declared head of the Church of England. Beginning in 1536, the monasteries throughout England, Wales and Ireland were dissolved.

Thomas Müntzer, Andreas Karlstadt and other theologians perceived both the Catholic Church and the confessions of the Magisterial Reformation as corrupted. Their activity brought about the Radical Reformation, which gave birth to various Anabaptist denominations.

Partly in response to the Protestant Reformation, the Catholic Church engaged in a substantial process of reform and renewal, known as the Counter-Reformation or Catholic Reform. The Council of Trent clarified and reasserted Catholic doctrine. During the following centuries, competition between Catholicism and Protestantism became deeply entangled with political struggles among European states.

Meanwhile, the discovery of America by Christopher Columbus in 1492 brought about a new wave of missionary activity. Partly from missionary zeal, but under the impetus of colonial expansion by the European powers, Christianity spread to the Americas, Oceania, East Asia and sub-Saharan Africa.

Throughout Europe, the division caused by the Reformation led to outbreaks of religious violence and the establishment of separate state churches in Europe. Lutheranism spread into the northern, central, and eastern parts of present-day Germany, Livonia, and Scandinavia. Anglicanism was established in England in 1534. Calvinism and its varieties, such as Presbyterianism, were introduced in Scotland, the Netherlands, Hungary, Switzerland, and France. Arminianism gained followers in the Netherlands and Frisia. Ultimately, these differences led to the outbreak of conflicts in which religion played a key factor. The Thirty Years' War, the English Civil War, and the French Wars of Religion are prominent examples. These events intensified the Christian debate on persecution and toleration.

In the revival of neoplatonism Renaissance humanists did not reject Christianity; quite the contrary, many of the greatest works of the Renaissance were devoted to it, and the Catholic Church patronized many works of Renaissance art. Much, if not most, of the new art was commissioned by or in dedication to the Church. Some scholars and historians attributes Christianity to having contributed to the rise of the Scientific Revolution,[excessive citations ] Many well-known historical figures who influenced Western science considered themselves Christian such as Nicolaus Copernicus, Galileo Galilei, Johannes Kepler, Isaac Newton and Robert Boyle.

Post-Enlightenment

In the era known as the Great Divergence, when in the West, the Age of Enlightenment and the scientific revolution brought about great societal changes, Christianity was confronted with various forms of skepticism and with certain modern political ideologies, such as versions of socialism and liberalism. Events ranged from mere anti-clericalism to violent outbursts against Christianity, such as the dechristianization of France during the French Revolution, the Spanish Civil War, and certain Marxist movements, especially the Russian Revolution and the persecution of Christians in the Soviet Union under state atheism.

The combined factors of the formation of nation states and ultramontanism, especially in Germany and the Netherlands, but also in England to a much lesser extent, often forced Catholic churches, organizations, and believers to choose between the national demands of the state and the authority of the Church, specifically the papacy. This conflict came to a head in the First Vatican Council, and in Germany would lead directly to the Kulturkampf, where liberals and Protestants under the leadership of Bismarck managed to severely restrict Catholic expression and organization.

Christian commitment in Europe dropped as modernity and secularism came into their own, particularly in Czechia and Estonia, while religious commitments in America have been generally high in comparison to Europe. The late 20th century has shown the shift of Christian adherence to the Third World and the Southern Hemisphere in general, with the West no longer the chief standard bearer of Christianity. Approximately 7 to 10% of Arabs are Christians, most prevalent in Egypt, Syria and Lebanon.

Demographics

With around 2.4 billion adherents, split into three main branches of Catholic, Protestant, and Eastern Orthodox, Christianity is the world's largest religion. The Christian share of the world's population has stood at around 33% for the last hundred years, which means that one in three persons on Earth are Christians. This masks a major shift in the demographics of Christianity; large increases in the developing world have been accompanied by substantial declines in the developed world, mainly in Western Europe and North America. According to a 2015 Pew Research Center study, within the next four decades, Christianity will remain the largest religion; and by 2050, the Christian population is expected to exceed 3 billion.

According to some scholars, Christianity ranks at first place in net gains through religious conversion. As a percentage of Christians, the Catholic Church and Orthodoxy (both Eastern and Oriental) are declining in some parts of the world (though Catholicism is growing in Asia, in Africa, vibrant in Eastern Europe, etc.), while Protestants and other Christians are on the rise in the developing world. The so-called popular Protestantism is one of the fastest growing religious categories in the world. Nevertheless, Catholicism will also continue to grow to 1.63 billion by 2050, according to Todd Johnson of the Center for the Study of Global Christianity. Africa alone, by 2015, will be home to 230 million African Catholics. And if in 2018, the U.N. projects that Africa's population will reach 4.5 billion by 2100 (not 2 billion as predicted in 2004), Catholicism will indeed grow, as will other religious groups. According to Pew Research Center, Africa is expected to be home to 1.1 billion African Christians by 2050.

In 2010, 87% of world's Christian population lived in countries where Christians are in the majority, while 13% of world's Christian population lived in countries where Christians are in the minority. Christianity is the predominant religion in Europe, the Americas, Oceania, and Southern Africa. In Asia, it is the dominant religion in Armenia, Cyprus, Georgia, East Timor, and the Philippines. However, it is declining in some areas including the northern and western United States, some areas in Oceania (Australia and New Zealand), northern Europe (including Great Britain, Scandinavia and other places), France, Germany, and the Canadian provinces of Ontario, British Columbia, and Quebec, and some parts of Asia (especially the Middle East, due to the Christian emigration, and Macau).

The Christian population is not decreasing in Brazil, the southern United States, and the province of Alberta, Canada, but the percentage is decreasing. Since the fall of communism, the proportion of Christians has been stable or even increased in the Central and Eastern European countries. Christianity is growing rapidly in both numbers and percentage in China, other Asian countries, Sub-Saharan Africa, Latin America, Eastern Europe, North Africa ( Maghreb), Gulf Cooperation Council countries, and Oceania.

Despite the declining numbers, Christianity remains the dominant religion in the Western World, where 70% are Christians. Christianity remains the largest religion in Western Europe, where 71% of Western Europeans identified themselves as Christian in 2018. A 2011 Pew Research Center survey found that 76% of Europeans, 73% in Oceania and about 86% in the Americas (90% in Latin America and 77% in North America) identified themselves as Christians. By 2010 about 157 countries and territories in the world had Christian majorities.

However, there are many charismatic movements that have become well established over large parts of the world, especially Africa, Latin America, and Asia. Since 1900, primarily due to conversion, Protestantism has spread rapidly in Africa, Asia, Oceania, and Latin America. From 1960 to 2000, the global growth of the number of reported Evangelical Protestants grew three times the world's population rate, and twice that of Islam. According to the historian Geoffrey Blainey from the University of Melbourne, since the 1960s there has been a substantial increase in the number of conversions from Islam to Christianity, mostly to the Evangelical and Pentecostal forms. A study conducted by St. Mary's University estimated about 10.2 million Muslim converts to Christianity in 2015, according to the study significant numbers of Muslims converts to Christianity can be found in Afghanistan, Azerbaijan, Central Asia (including Kazakhstan, Kyrgyzstan, and other countries), Indonesia, Malaysia, the Middle East (including Iran, Saudi Arabia, Turkey, and other countries), North Africa (including Algeria, Morocco, and Tunisia), Sub-Saharan Africa, and the Western World (including Albania, Belgium, France, Germany, Kosovo, the Netherlands, Russia, Scandinavia, United kingdom, the United States, and other western countries). It is also reported that Christianity is popular among people of different backgrounds in Africa and Asia, according to a report by the Singapore Management University, more people in Southeast Asia are converting to Christianity, many of them are young and have a university degree. According to scholar Juliette Koning and Heidi Dahles of Vrije Universiteit Amsterdam there is a "rapid expansion" of Christianity in Singapore, China, Hong Kong, Taiwan, Indonesia, Malaysia, and South Korea. According to scholar Terence Chong from the Institute of Southeast Asian Studies, since the 1980s Christianity is expanding in China, Singapore, Indonesia, Japan, Malaysia, Taiwan, South Korea, and Vietnam.

In most countries in the developed world, church attendance among people who continue to identify themselves as Christians has been falling over the last few decades. Some sources view this simply as part of a drift away from traditional membership institutions, while others link it to signs of a decline in belief in the importance of religion in general. Europe's Christian population, though in decline, still constitutes the largest geographical component of the religion. According to data from the 2012 European Social Survey, around a third of European Christians say they attend services once a month or more, Conversely about more than two-thirds of Latin American Christians; according to the World Values Survey, about 90% of African Christians (in Ghana, Nigeria, Rwanda, South Africa and Zimbabwe) said they attended church regularly.

Christianity, in one form or another, is the sole state religion of the following nations: Argentina (Catholic), Tuvalu (Reformed), Tonga (Methodist), Norway (Lutheran), Costa Rica (Catholic), the Kingdom of Denmark (Lutheran), England (Anglican), Georgia (Georgian Orthodox), Greece (Greek Orthodox), Iceland (Lutheran), Liechtenstein (Catholic), Malta (Catholic), Monaco (Catholic), and Vatican City (Catholic).

Tradition

Followers

% of the Christian population

% of the world population

Follower dynamics

Dynamics in- and outside Christianity

Christianity

2,382,750,000

100

31.7

Growing

Stable

Christian median age in region (years)

Regional median age (years)

Churches and denominations

The four primary divisions of Christianity are the Catholic Church, the Eastern Orthodox Church, Oriental Orthodoxy, and Protestantism. A broader distinction that is sometimes drawn is between Eastern Christianity and Western Christianity, which has its origins in the East-West Schism (Great Schism) of the 11th century. Recently, neither Western or Eastern World Christianity has also stood out, for example, African-initiated churches. However, there are other present and historical Christian groups that do not fit neatly into one of these primary categories.

There is a diversity of doctrines and liturgical practices among groups calling themselves Christian. These groups may vary ecclesiologically in their views on a classification of Christian denominations. The Nicene Creed (325), however, is typically accepted as authoritative by most Christians, including the Catholic, Eastern Orthodox, Oriental Orthodox, and major Protestant (including Anglican) denominations.

(Not shown are non- Nicene, nontrinitarian, and some restorationist denominations.)

Catholic Church

The Catholic Church consists of those particular churches, headed by bishops, in communion with the pope, the bishop of Rome, as its highest authority in matters of faith, morality, and church governance. Like Eastern Orthodoxy, the Catholic Church, through apostolic succession, traces its origins to the Christian community founded by Jesus Christ. Catholics maintain that the " one, holy, catholic, and apostolic church" founded by Jesus subsists fully in the Catholic Church, but also acknowledges other Christian churches and communities and works towards reconciliation among all Christians. The Catholic faith is detailed in the Catechism of the Catholic Church.

Of its seven sacraments, the Eucharist is the principal one, celebrated liturgically in the Mass. The church teaches that through consecration by a priest, the sacrificial bread and wine become the body and blood of Christ. The Virgin Mary is venerated in the Catholic Church as Mother of God and Queen of Heaven, honoured in dogmas and devotions. Its teaching includes Divine Mercy, sanctification through faith and evangelization of the Gospel as well as Catholic social teaching, which emphasises voluntary support for the sick, the poor, and the afflicted through the corporal and spiritual works of mercy. The Catholic Church operates thousands of Catholic schools, universities, hospitals, and orphanages around the world, and is the largest non-government provider of education and health care in the world. Among its other social services are numerous charitable and humanitarian organizations.

Canon law ( Latin: jus canonicum) is the system of laws and legal principles made and enforced by the hierarchical authorities of the Catholic Church to regulate its external organisation and government and to order and direct the activities of Catholics toward the mission of the church. The canon law of the Latin Church was the first modern Western legal system and is the oldest continuously functioning legal system in the West, while the distinctive traditions of Eastern Catholic canon law govern the 23 Eastern Catholic particular churches

As the world's oldest and largest continuously functioning international institution, it has played a prominent role in the history and development of Western civilization. The 2,834 sees are grouped into 24 particular autonomous Churches (the largest of which being the Latin Church), each with its own distinct traditions regarding the liturgy and the administering of sacraments. With more than 1.1 billion baptized members, the Catholic Church is the largest Christian church and represents 50.1% all Christians as well as one sixth of the world's population. Catholics live all over the world through missions, diaspora, and conversions.

Eastern Orthodox Church

The Eastern Orthodox Church consists of those churches in communion with the patriarchal sees of the East, such as the Ecumenical Patriarch of Constantinople. Like the Catholic Church, the Eastern Orthodox Church also traces its heritage to the foundation of Christianity through apostolic succession and has an episcopal structure, though the autonomy of its component parts is emphasized, and most of them are national churches.

Eastern Orthodox theology is based on holy tradition which incorporates the dogmatic decrees of the seven Ecumenical Councils, the Scriptures, and the teaching of the Church Fathers. The church teaches that it is the one, holy, catholic and apostolic church established by Jesus Christ in his Great Commission, and that its bishops are the successors of Christ's apostles. It maintains that it practises the original Christian faith, as passed down by holy tradition. Its patriarchates, reminiscent of the pentarchy, and other autocephalous and autonomous churches reflect a variety of hierarchical organisation. It recognises seven major sacraments, of which the Eucharist is the principal one, celebrated liturgically in synaxis. The church teaches that through consecration invoked by a priest, the sacrificial bread and wine become the body and blood of Christ. The Virgin Mary is venerated in the Eastern Orthodox Church as the God-bearer, honoured in devotions.

Eastern Orthodoxy is the second largest single denomination in Christianity, with an estimated 230 million adherents, although Protestants collectively outnumber them, substantially. As one of the oldest surviving religious institutions in the world, the Eastern Orthodox Church has played a prominent role in the history and culture of Eastern and Southeastern Europe, the Caucasus, and the Near East.

Oriental Orthodoxy

The Oriental Orthodox Churches (also called "Old Oriental" churches) are those eastern churches that recognize the first three ecumenical councils- Nicaea, Constantinople, and Ephesus-but reject the dogmatic definitions of the Council of Chalcedon and instead espouse a Miaphysite christology.

The Oriental Orthodox communion consists of six groups: Syriac Orthodox, Coptic Orthodox, Ethiopian Orthodox, Eritrean Orthodox, Malankara Orthodox Syrian Church (India), and Armenian Apostolic churches. These six churches, while being in communion with each other, are completely independent hierarchically. These churches are generally not in communion with the Eastern Orthodox Church, with whom they are in dialogue for erecting a communion. Together, they have about 62 million members worldwide.

As some of the oldest religious institutions in the world, the Oriental Orthodox Churches have played a prominent role in the history and culture of Armenia, Egypt, Turkey, Eritrea, Ethiopia, Sudan and parts of the Middle East and India. An Eastern Christian body of autocephalous churches, its bishops are equal by virtue of episcopal ordination, and its doctrines can be summarized in that the churches recognize the validity of only the first three ecumenical councils.

Assyrian Church of the East

Its main spoken language is Syriac, a dialect of Eastern Aramaic, and the majority of its adherents are ethnic Assyrians. It is officially headquartered in the city of Erbil in northern Iraqi Kurdistan, and its original area also spreads into south-eastern Turkey and north-western Iran, corresponding to ancient Assyria. Its hierarchy is composed of metropolitan bishops and diocesan bishops, while lower clergy consists of priests and deacons, who serve in dioceses (eparchies) and parishes throughout the Middle East, India, North America, Oceania, and Europe (including the Caucasus and Russia).

Protestantism

In 1521, the Edict of Worms condemned Martin Luther and officially banned citizens of the Holy Roman Empire from defending or propagating his ideas. This split within the Roman Catholic church is now called the Reformation. Prominent Reformers included Martin Luther, Huldrych Zwingli, and John Calvin. The 1529 Protestation at Speyer against being excommunicated gave this party the name Protestantism. Luther's primary theological heirs are known as Lutherans. Zwingli and Calvin's heirs are far broader denominationally, and are referred to as the Reformed tradition. Protestants have developed their own culture, with major contributions in education, the humanities and sciences, the political and social order, the economy and the arts, and many other fields.

The Anglican churches descended from the Church of England and organized in the Anglican Communion. Some, but not all Anglicans consider themselves both Protestant and Catholic.

Since the Anglican, Lutheran, and the Reformed branches of Protestantism originated for the most part in cooperation with the government, these movements are termed the " Magisterial Reformation". On the other hand, groups such as the Anabaptists, who often do not consider themselves to be Protestant, originated in the Radical Reformation, which though sometimes protected under Acts of Toleration, do not trace their history back to any state church. They are further distinguished by their rejection of infant baptism; they believe in baptism only of adult believers- credobaptism (Anabaptists include the Amish, Apostolic, Mennonites, Hutterites, River Brethren and Schwarzenau Brethren/ German Baptist groups.)

The term Protestant also refers to any churches which formed later, with either the Magisterial or Radical traditions. In the 18th century, for example, Methodism grew out of Anglican minister John Wesley's evangelical revival movement. Several Pentecostal and non-denominational churches, which emphasize the cleansing power of the Holy Spirit, in turn grew out of Methodism. Because Methodists, Pentecostals and other evangelicals stress "accepting Jesus as your personal Lord and Savior", which comes from Wesley's emphasis of the New Birth, they often refer to themselves as being born-again.

Protestantism is the second largest major group of Christians after Catholicism by number of followers, although the Eastern Orthodox Church is larger than any single Protestant denomination. Estimates vary, mainly over the question of which denominations to classify as Protestant. Yet, the total number of Protestant Christians is generally estimated between 800 million and 1 billion, corresponding to nearly 40% of world's Christians. The majority of Protestants are members of just a handful of denominational families, i.e. Adventists, Anglicans, Baptists, Reformed (Calvinists), Lutherans, Methodists, Moravians/ Hussites, and Pentecostals. Nondenominational, evangelical, charismatic, neo-charismatic, independent, and other churches are on the rise, and constitute a significant part of Protestant Christianity.

Some groups of individuals who hold basic Protestant tenets identify themselves simply as "Christians" or " born-again Christians". They typically distance themselves from the confessionalism and creedalism of other Christian communities by calling themselves " non-denominational" or " evangelical". Often founded by individual pastors, they have little affiliation with historic denominations.

Restorationism

The Second Great Awakening, a period of religious revival that occurred in the United States during the early 1800s, saw the development of a number of unrelated churches. They generally saw themselves as restoring the original church of Jesus Christ rather than reforming one of the existing churches. A common belief held by Restorationists was that the other divisions of Christianity had introduced doctrinal defects into Christianity, which was known as the Great Apostasy. In Asia, Iglesia ni Cristo is a known restorationist religion that was established during the early 1900s.

Some of the churches originating during this period are historically connected to early 19th-century camp meetings in the Midwest and upstate New York. One of the largest churches produced from the movement is The Church of Jesus Christ of Latter-day Saints. American Millennialism and Adventism, which arose from Evangelical Protestantism, influenced the Jehovah's Witnesses movement and, as a reaction specifically to William Miller, the Seventh-day Adventists. Others, including the Christian Church (Disciples of Christ), Evangelical Christian Church in Canada, Churches of Christ, and the Christian churches and churches of Christ, have their roots in the contemporaneous Stone-Campbell Restoration Movement, which was centered in Kentucky and Tennessee. Other groups originating in this time period include the Christadelphians and the previously mentioned Latter Day Saints movement. While the churches originating in the Second Great Awakening have some superficial similarities, their doctrine and practices vary significantly.

Within Italy, Poland, Lithuania, Transylvania, Hungary, Romania, and the United Kingdom, Unitarian Churches emerged from the Reformed tradition in the 16th century; the Unitarian Church of Transylvania is an example such a denomination that arose in this era. They adopted the Anabaptist doctrine of credobaptism.

Various smaller Independent Catholic communities, such as the Old Catholic Church, include the word in their title, and arguably have more or less liturgical practices in common with the Catholic Church, but are no longer in full communion with the Holy See.

Spiritual Christians, such as the Doukhobors and Molokans, broke from the Russian Orthodox Church and maintain close association with Mennonites and Quakers due to similar religious practices; all of these groups are furthermore collectively considered to be peace churches due to their belief in pacifism.

Messianic Judaism (or the Messianic Movement) is the name of a Christian movement comprising a number of streams, whose members may consider themselves Jewish. The movement originated in the 1960s and 1970s, and it blends elements of religious Jewish practice with evangelical Christianity. Messianic Judaism affirms Christian creeds such as the messiahship and divinity of "Yeshua" (the Hebrew name of Jesus) and the Triune Nature of God, while also adhering to some Jewish dietary laws and customs.

Esoteric Christians regard Christianity as a mystery religion and profess the existence and possession of certain esoteric doctrines or practices, hidden from the public and accessible only to a narrow circle of "enlightened", "initiated", or highly educated people. Some of the esoteric Christian institutions include the Rosicrucian Fellowship, the Anthroposophical Society, and Martinism.

Nondenominational Christianity or non-denominational Christianity consists of churches which typically distance themselves from the confessionalism or creedalism of other Christian communities by not formally aligning with a specific Christian denomination. Nondenominational Christianity first arose in the 18th century through the Stone-Campbell Restoration Movement, with followers organizing themselves simply as " Christians" and " Disciples of Christ", but many typically adhere to evangelical Christianity.

Influence on Western culture

Western culture, throughout most of its history, has been nearly equivalent to Christian culture, and a large portion of the population of the Western Hemisphere can be described as practicing or nominal Christians. The notion of "Europe" and the "Western World" has been intimately connected with the concept of "Christianity and Christendom". Many historians even attribute Christianity for being the link that created a unified European identity.

Though Western culture contained several polytheistic religions during its early years under the Greek and Roman empires, as the centralized Roman power waned, the dominance of the Catholic Church was the only consistent force in Western Europe. Until the Age of Enlightenment, Christian culture guided the course of philosophy, literature, art, music and science. Christian disciplines of the respective arts have subsequently developed into Christian philosophy, Christian art, Christian music, Christian literature, and so on.

Christianity has had a significant impact on education, as the church created the bases of the Western system of education, and was the sponsor of founding universities in the Western world, as the university is generally regarded as an institution that has its origin in the Medieval Christian setting. Historically, Christianity has often been a patron of science and medicine; many Catholic clergy, Jesuits in particular, have been active in the sciences throughout history and have made significant contributions to the development of science. Protestantism also has had an important influence on science. According to the Merton Thesis, there was a positive correlation between the rise of English Puritanism and German Pietism on the one hand, and early experimental science on the other. The civilizing influence of Christianity includes social welfare, founding hospitals, economics (as the Protestant work ethic), architecture, politics, literature, personal hygiene ( ablution), and family life.

Eastern Christians (particularly Nestorian Christians) contributed to the Arab Islamic civilization during the reign of the Ummayad and the Abbasid, by translating works of Greek philosophers to Syriac and afterwards, to Arabic. They also excelled in philosophy, science, theology, and medicine.

Christians have made a myriad of contributions to human progress in a broad and diverse range of fields, including philosophy, science and technology, medicine, fine arts and architecture, politics, literatures, music, and business. According to 100 Years of Nobel Prizes a review of the Nobel Prizes award between 1901 and 2000 reveals that (65.4%) of Nobel Prizes Laureates, have identified Christianity in its various forms as their religious preference.

Postchristianity is the term for the decline of Christianity, particularly in Europe, Canada, Australia, and to a minor degree the Southern Cone, in the 20th and 21st centuries, considered in terms of postmodernism. It refers to the loss of Christianity's monopoly on values and world view in historically Christian societies.

Christian groups and denominations have long expressed ideals of being reconciled, and in the 20th century, Christian ecumenism advanced in two ways. One way was greater cooperation between groups, such as the World Evangelical Alliance founded in 1846 in London or the Edinburgh Missionary Conference of Protestants in 1910, the Justice, Peace and Creation Commission of the World Council of Churches founded in 1948 by Protestant and Orthodox churches, and similar national councils like the National Council of Churches in Australia, which includes Catholics.

The other way was an institutional union with united churches, a practice that can be traced back to unions between Lutherans and Calvinists in early 19th-century Germany. Congregationalist, Methodist, and Presbyterian churches united in 1925 to form the United Church of Canada, and in 1977 to form the Uniting Church in Australia. The Church of South India was formed in 1947 by the union of Anglican, Baptist, Methodist, Congregationalist, and Presbyterian churches.

The ecumenical, monastic Taizé Community is notable for being composed of more than one hundred brothers from Protestant and Catholic traditions. The community emphasizes the reconciliation of all denominations and its main church, located in Taizé, Saône-et-Loire, France, is named the "Church of Reconciliation". The community is internationally known, attracting over 100,000 young pilgrims annually.

Steps towards reconciliation on a global level were taken in 1965 by the Catholic and Orthodox churches, mutually revoking the excommunications that marked their Great Schism in 1054; the Anglican Catholic International Commission (ARCIC) working towards full communion between those churches since 1970; and some Lutheran and Catholic churches signing the Joint Declaration on the Doctrine of Justification in 1999 to address conflicts at the root of the Protestant Reformation. In 2006, the World Methodist Council, representing all Methodist denominations, adopted the declaration.

Criticism, persecution, and apologetics

Criticism of Christianity and Christians goes back to the Apostolic Age, with the New Testament recording friction between the followers of Jesus and the Pharisees and scribes (e.g. Matthew 15:1-20 and Mark 7:1-23). In the 2nd century, Christianity was criticized by the Jews on various grounds, e.g. that the prophecies of the Hebrew Bible could not have been fulfilled by Jesus, given that he did not have a successful life. Additionally, a sacrifice to remove sins in advance, for everyone or as a human being, did not fit to the Jewish sacrifice ritual; furthermore, God is said to judge people on their deeds instead of their beliefs. One of the first comprehensive attacks on Christianity came from the Greek philosopher Celsus, who wrote The True Word, a polemic criticizing Christians as being unprofitable members of society. In response, the church father Origen published his treatise Contra Celsum, or Against Celsus, a seminal work of Christian apologetics, which systematically addressed Celsus's criticisms and helped bring Christianity a level of academic respectability.

By the 3rd century, criticism of Christianity had mounted. Wild rumors about Christians were widely circulated, claiming that they were atheists and that, as part of their rituals, they devoured human infants and engaged in incestuous orgies. The Neoplatonist philosopher Porphyry wrote the fifteen-volume Adversus Christianos as a comprehensive attack on Christianity, in part building on the teachings of Plotinus.

By the 12th century, the Mishneh Torah (i.e., Rabbi Moses Maimonides) was criticizing Christianity on the grounds of idol worship, in that Christians attributed divinity to Jesus, who had a physical body. In the 19th century, Nietzsche began to write a series of polemics on the "unnatural" teachings of Christianity (e.g. sexual abstinence), and continued his criticism of Christianity to the end of his life. In the 20th century, the philosopher Bertrand Russell expressed his criticism of Christianity in Why I Am Not a Christian, formulating his rejection of Christianity in the setting of logical arguments.

Criticism of Christianity continues to date, e.g. Jewish and Muslim theologians criticize the doctrine of the Trinity held by most Christians, stating that this doctrine in effect assumes that there are three gods, running against the basic tenet of monotheism. New Testament scholar Robert M. Price has outlined the possibility that some Bible stories are based partly on myth in The Christ Myth Theory and its problems.

Persecution

Christians are one of the most persecuted religious group in the world, especially in the Middle-East, North Africa and South and East Asia. In 2017, Open Doors estimated approximately 260 million Christians are subjected annually to "high, very high, or extreme persecution" with North Korea considered the most hazardous nation for Christians. In 2019, a report commissioned by the United Kingdom's Secretary of State of the Foreign and Commonwealth Office (FCO) to investigate global persecution of Christians found persecution has increased, and is highest in the Middle East, North Africa, India, China, North Korea, and Latin America,[clarification needed ] among others, and that it is global and not limited to Islamic states. This investigation found that approximately 80% of persecuted believers worldwide are Christians.

Apologetics

Christian apologetics aims to present a rational basis for Christianity. The word "apologetic" (Greek: ἀπολογητικός apologētikos) comes from the Greek verb ἀπολογέομαι apologeomai, meaning "(I) speak in defense of". Christian apologetics has taken many forms over the centuries, starting with Paul the Apostle. The philosopher Thomas Aquinas presented five arguments for God's existence in the Summa Theologica, while his Summa contra Gentiles was a major apologetic work. Another famous apologist, G. K. Chesterton, wrote in the early twentieth century about the benefits of religion and, specifically, Christianity. Famous for his use of paradox, Chesterton explained that while Christianity had the most mysteries, it was the most practical religion. He pointed to the advance of Christian civilizations as proof of its practicality. The physicist and priest John Polkinghorne, in his Questions of Truth, discusses the subject of religion and science, a topic that other Christian apologists such as Ravi Zacharias, John Lennox, and William Lane Craig have engaged, with the latter two men opining that the inflationary Big Bang model is evidence for the existence of God. Creationist apologetics is apologetics that aims to defend creationism.

1. It appears in the Acts of the Apostles, ^ Acts 9:2, Acts 19:9 and Acts 19:23). Some English translations of the New Testament capitalize 'the Way' (e.g. the New King James Version and the English Standard Version), indicating that this was how 'the new religion seemed then to be designated' whereas others treat the phrase as indicative-'the way', 'that way' or 'the way of the Lord'. The Syriac version reads, "the way of God" and the Vulgate Latin version, "the way of the Lord".

2. ^ Frequently a distinction is made between "liturgical" and "non-liturgical" churches based on how elaborate or antiquated the worship; in this usage, churches whose services are unscripted or improvised are described as "non-liturgical".

3. Often these are arranged on an ^ annual cycle, using a book called a lectionary.

4. ^ Iesous Christos Theou Hyios Soter may be a more complete transliteration; in Koine Greek, the daseia or spiritus asper had largely ceased being pronounced and was not-commonly-marked in the majuscule script of the time.

5. ^ A flexible term, defined as all forms of Protestantism with the notable exception of the historical denominations deriving directly from the Protestant Reformation.

6. The first Nondenominational Christian churches which emerged through the ^ Stone-Campbell Restoration Movement are tied to associations such as the Churches of Christ or the Christian Church (Disciples of Christ).

References

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Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth. It is the world's largest religion, with about 2.5 billion followers.

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https://en.wikipedia.org/wiki/Christianity#:~:text=Christianity%20is%20an%20Abrahamic%20monotheistic,with%20about%202.5%20billion%20followers.

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Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth. It is the world's largest religion, with about 2.5 billion followers. Its adherents, known as Christians, make up a majority of the population in 157 countries and territories, and believe that Jesus is the Son of God, whose coming as the messiah was prophesied in the Hebrew Bible (called the Old Testament in Christianity) and chronicled in the New Testament.

The four largest branches of Christianity are the Catholic Church (1.3 billion/50.1%), Protestantism (920 million/36.7%), the Eastern Orthodox Church (230 million), and the Oriental Orthodox churches (62 million) (Orthodox churches combined at 11.9%), though thousands of smaller church communities exist despite efforts toward unity ( ecumenism). Despite a decline in adherence in the West, Christianity remains the dominant religion in the region, with about 70% of that population identifying as Christian. Christianity is growing in Africa and Asia, the world's most populous continents. Christians remain persecuted in some regions of the world, especially in the Middle East, North Africa, East Asia, and South Asia.

Early Jewish Christians referred to themselves as 'The Way' ( Koinē Greek: τῆς ὁδοῦ, romanized: tês hodoû), probably coming from Isaiah 40:3, "prepare the way of the Lord." According to Acts 11:26, the term "Christian" (Χρῑστῐᾱνός , disciples, was first used in the city of Khrīstiānós), meaning "followers of Christ" in reference to Jesus's Antioch by the non-Jewish inhabitants there. Another very early recorded use of the term "Christianity" (Χρῑστῐᾱνισμός , Ignatius of Antioch around 100 AD. Khrīstiānismós) was by

Concise doctrinal statements or confessions of religious beliefs are known as creeds. They began as baptismal formulae and were later expanded during the Christological controversies of the 4th and 5th centuries to become statements of faith. " Jesus is Lord" is the earliest creed of Christianity and continues to be used, as with the World Council of Churches.

The Nicene Creed was formulated, largely in response to Arianism, at the Councils of Nicaea and Constantinople in 325 and 381 respectively, and ratified as the universal creed of Christendom by the First Council of Ephesus in 431.

The Chalcedonian Definition, or Creed of Chalcedon, developed at the Council of Chalcedon in 451, though rejected by the Oriental Orthodox, taught Christ "to be acknowledged in two natures, in confusedly, unchangeably, indivisibly, inseparably": one divine and one human, and that both natures, while perfect in themselves, are nevertheless also perfectly united into one person.

Most Christians ( Catholic, Eastern Orthodox, Oriental Orthodox, and Protestant alike) accept the use of creeds, and subscribe to at least one of the creeds mentioned above.

Many Evangelical Protestants reject creeds as definitive statements of faith, even while agreeing with some or all of the substance of the creeds. For example, most Baptists do not use creeds "in that they have not sought to establish binding authoritative confessions of faith on one another." Also rejecting creeds are groups with roots in the Restoration Movement, such as the Christian Church (Disciples of Christ), the Evangelical Christian Church in Canada, and the Churches of Christ.

The central tenet of Christianity is the belief in Jesus as the Son of God and the Messiah (Christ). Christians believe that Jesus, as the Messiah, was anointed by God as savior of humanity and hold that Jesus' coming was the fulfillment of messianic prophecies of the Old Testament. The Christian concept of messiah differs significantly from the contemporary Jewish concept. The core Christian belief is that through belief in and acceptance of the death and resurrection of Jesus, sinful humans can be reconciled to God, and thereby are offered salvation and the promise of eternal life.

While there have been many theological disputes over the nature of Jesus over the earliest centuries of Christian history, generally, Christians believe that Jesus is God incarnate and " true God and true man" (or both fully divine and fully human). Jesus, having become fully human, suffered the pains and temptations of a mortal man, but did not sin. As fully God, he rose to life again. According to the New Testament, he rose from the dead, ascended to heaven, is seated at the right hand of the Father, and will ultimately return to fulfill the rest of the Messianic prophecy, including the resurrection of the dead, the Last Judgment, and the final establishment of the Kingdom of God.

According to the canonical gospels of Matthew and Luke, Jesus was conceived by the Holy Spirit and born from the Virgin Mary. Little of Jesus' childhood is recorded in the canonical gospels, although infancy gospels were popular in antiquity. In comparison, his adulthood, especially the week before his death, is well documented in the gospels contained within the New Testament, because that part of his life is believed to be most important. The biblical accounts of Jesus' ministry include: his baptism, miracles, preaching, teaching, and deeds.

Death and resurrection

Christians consider the resurrection of Jesus to be the cornerstone of their faith (see 1 Corinthians 15) and the most important event in history. Among Christian beliefs, the death and resurrection of Jesus are two core events on which much of Christian doctrine and theology is based. According to the New Testament, Jesus was crucified, died a physical death, was buried within a tomb, and rose from the dead three days later.

The New Testament mentions several post-resurrection appearances of Jesus on different occasions to his twelve apostles and disciples, including "more than five hundred brethren at once", before Jesus' ascension to heaven. Jesus' death and resurrection are commemorated by Christians in all worship services, with special emphasis during Holy Week, which includes Good Friday and Easter Sunday.

Christian churches accept and teach the New Testament account of the resurrection of Jesus with very few exceptions. Some modern scholars use the belief of Jesus' followers in the resurrection as a point of departure for establishing the continuity of the historical Jesus and the proclamation of the early church. Some liberal Christians do not accept a literal bodily resurrection, seeing the story as richly symbolic and spiritually nourishing myth. Arguments over death and resurrection claims occur at many religious debates and interfaith dialogues. Paul the Apostle, an early Christian convert and missionary, wrote, "If Christ was not raised, then all our preaching is useless, and your trust in God is useless."

Paul the Apostle, like Jews and Roman pagans of his time, believed that sacrifice can bring about new kinship ties, purity, and eternal life. For Paul, the necessary sacrifice was the death of Jesus: Gentiles who are "Christ's" are, like Israel, descendants of Abraham and "heirs according to the promise" The God who raised Jesus from the dead would also give new life to the "mortal bodies" of Gentile Christians, who had become with Israel, the "children of God", and were therefore no longer "in the flesh".

Modern Christian churches tend to be much more concerned with how humanity can be saved from a universal condition of sin and death than the question of how both Jews and Gentiles can be in God's family. According to Eastern Orthodox theology, based upon their understanding of the atonement as put forward by Irenaeus' recapitulation theory, Jesus' death is a ransom. This restores the relation with God, who is loving and reaches out to humanity, and offers the possibility of c.q. divinization, becoming the kind of humans God wants humanity to be. According to Catholic doctrine, Jesus' death satisfies the wrath of God, aroused by the offense to God's honor caused by human's sinfulness. The Catholic Church teaches that salvation does not occur without faithfulness on the part of Christians; converts must live in accordance with principles of love and ordinarily must be baptized. In Protestant theology, Jesus' death is regarded as a substitutionary penalty carried by Jesus, for the debt that has to be paid by humankind when it broke God's moral law.

Christians differ in their views on the extent to which individuals' salvation is pre-ordained by God. Reformed theology places distinctive emphasis on grace by teaching that individuals are completely incapable of self-redemption, but that sanctifying grace is irresistible. In contrast Catholics, Orthodox Christians, and Arminian Protestants believe that the exercise of free will is necessary to have faith in Jesus.

Trinity refers to the teaching that the one God comprises three distinct, eternally co-existing persons: the , the Son (incarnate in Jesus Christ), and the Holy Spirit. Together, these three persons are sometimes called the Godhead, although there is no single term in use in Scripture to denote the unified Godhead. In the words of the Athanasian Creed, an early statement of Christian belief, "the Father is God, the Son is God, and the Holy Spirit is God, and yet there are not three Gods but one God". They are distinct from another: the Father has no source, the Son is begotten of the Father, and the Spirit proceeds from the Father. Though distinct, the three persons cannot be divided from one another in being or in operation. While some Christians also believe that God appeared as the Father in the Old Testament, it is agreed that he appeared as the Son in the New Testament, and will still continue to manifest as the Holy Spirit in the present. But still, God still existed as three persons in each of these times. However, traditionally there is a belief that it was the Son who appeared in the Old Testament because, for example, when the Trinity is depicted in art, the Son typically has the distinctive appearance, a cruciform halo identifying Christ, and in depictions of the Garden of Eden, this looks forward to an Incarnation yet to occur. In some Early Christian sarcophagi the Logos is distinguished with a beard, "which allows him to appear ancient, even pre-existent."

The Trinity is an essential doctrine of mainstream Christianity. From earlier than the times of the Nicene Creed (325) Christianity advocated the triune mystery-nature of God as a normative profession of faith. According to Roger E. Olson and Christopher Hall, through prayer, meditation, study and practice, the Christian community concluded "that God must exist as both a unity and trinity", codifying this in ecumenical council at the end of the 4th century.

According to this doctrine, God is not divided in the sense that each person has a third of the whole; rather, each person is considered to be fully God (see Perichoresis). The distinction lies in their relations, the Father being unbegotten; the Son being begotten of the Father; and the Holy Spirit proceeding from the Father and (in Western Christian theology) from the Son. Regardless of this apparent difference, the three "persons" are each eternal and omnipotent. Other Christian religions including Unitarian Universalism, Jehovah's Witnesses, and Mormonism, do not share those views on the Trinity.

The Greek word trias is first seen in this sense in the works of Theophilus of Antioch; his text reads: "of the Trinity, of God, and of His Word, and of His Wisdom". The term may have been in use before this time; its Latin equivalent, trinitas, appears afterwards with an explicit reference to the Father, the Son, and the Holy Spirit, in Tertullian. In the following century, the word was in general use. It is found in many passages of Origen.

Trinitarians

Trinitarianism denotes Christians who believe in the concept of the Trinity. Almost all Christian denominations and churches hold Trinitarian beliefs. Although the words "Trinity" and "Triune" do not appear in the Bible, beginning in the 3rd century theologians developed the term and concept to facilitate comprehension of the New Testament teachings of God as being Father, Son, and Holy Spirit. Since that time, Christian theologians have been careful to emphasize that Trinity does not imply that there are three gods (the antitrinitarian heresy of Tritheism), nor that each hypostasis of the Trinity is one-third of an infinite God (partialism), nor that the Son and the Holy Spirit are beings created by and subordinate to the Father ( Arianism). Rather, the Trinity is defined as one God in three persons.

Nontrinitarianism

Nontrinitarianism (or antitrinitarianism) refers to theology that rejects the doctrine of the Trinity. Various nontrinitarian views, such as adoptionism or modalism, existed in early Christianity, leading to the disputes about Christology. Nontrinitarianism reappeared in the Gnosticism of the Cathars between the 11th and 13th centuries, among groups with Unitarian theology in the Protestant Reformation of the 16th century, in the 18th-century Enlightenment, amongst some groups arising during the Second Great Awakening of the 19th century, and most recently, in Oneness Pentecostal churches.

Eschatology

The end of things, whether the end of an individual life, the end of the age, or the end of the world, broadly speaking, is Christian eschatology; the study of the destiny of humans as it is revealed in the Bible. The major issues in Christian eschatology are the Tribulation, death and the afterlife, (mainly for Evangelical groups) the Millennium and the following Rapture, the Second Coming of Jesus, Resurrection of the Dead, Heaven, (for liturgical branches) Purgatory, and Hell, the Last Judgment, the end of the world, and the New Heavens and New Earth.

Christians believe that the second coming of Christ will occur at the end of time, after a period of severe persecution (the Great Tribulation). All who have died will be resurrected bodily from the dead for the Last Judgment. Jesus will fully establish the Kingdom of God in fulfillment of scriptural prophecies.

Death and afterlife

Most Christians believe that human beings experience divine judgment and are rewarded either with eternal life or eternal damnation. This includes the general judgement at the resurrection of the dead as well as the belief (held by Catholics, Orthodox and most Protestants) in a judgment particular to the individual soul upon physical death.

In the Catholic branch of Christianity, those who die in a state of grace, i.e., without any mortal sin separating them from God, but are still imperfectly purified from the effects of sin, undergo purification through the intermediate state of purgatory to achieve the holiness necessary for entrance into God's presence. Those who have attained this goal are called saints (Latin sanctus, "holy").

Depending on the specific denomination of Christianity, practices may include baptism, the Eucharist (Holy Communion or the Lord's Supper), prayer (including the Lord's Prayer), confession, confirmation, burial rites, marriage rites and the religious education of children. Most denominations have ordained clergy who lead regular communal worship services.

Christian rites, rituals, and ceremonies are not celebrated in one single sacred language. Many ritualistic Christian churches make a distinction between sacred language, liturgical language and vernacular language. The three important languages in the early Christian era were: Latin, Greek and Syriac.

Communal worship

Services of worship typically follow a pattern or form known as liturgy. Justin Martyr described 2nd-century Christian liturgy in his First Apology ( c. 150) to Emperor Antoninus Pius, and his description remains relevant to the basic structure of Christian liturgical worship:

And on the day called Sunday, all who live in cities or in the country gather together to one place, and the memoirs of the apostles or the writings of the prophets are read, as long as time permits; then, when the reader has ceased, the president verbally instructs, and exhorts to the imitation of these good things. Then we all rise together and pray, and, as we before said, when our prayer is ended, bread and wine and water are brought, and the president in like manner offers prayers and thanksgivings, according to his ability, and the people assent, saying Amen; and there is a distribution to each, and a participation of that over which thanks have been given, and to those who are absent a portion is sent by the deacons. And they who are well to do, and willing, give what each thinks fit; and what is collected is deposited with the president, who succours the orphans and widows and those who, through sickness or any other cause, are in want, and those who are in bonds and the strangers sojourning among us, and in a word takes care of all who are in need.

Thus, as Justin described, Christians assemble for communal worship typically on Sunday, the day of the resurrection, though other liturgical practices often occur outside this setting. Scripture readings are drawn from the Old and New Testaments, but especially the gospels. Instruction is given based on these readings, called a sermon or homily. There are a variety of congregational prayers, including thanksgiving, confession, and intercession, which occur throughout the service and take a variety of forms including recited, responsive, silent, or sung. Psalms, hymns, worship songs, and other church music may be sung. Services can be varied for special events like significant feast days.

Nearly all forms of worship incorporate the Eucharist, which consists of a meal. It is reenacted in accordance with Jesus' instruction at the Last Supper that his followers do in remembrance of him as when he gave his disciples bread, saying, "This is my body", and gave them wine saying, "This is my blood". In the early church, Christians and those yet to complete initiation would separate for the Eucharistic part of the service. Some denominations such as Confessional Lutheran churches continue to practice ' closed communion'. They offer communion to those who are already united in that denomination or sometimes individual church. Catholics further restrict participation to their members who are not in a state of mortal sin. Many other churches, such as Anglican Communion and United Methodist Church, practice ' open communion' since they view communion as a means to unity, rather than an end, and invite all believing Christians to participate.

Sacraments or ordinances

And this food is called among us Eukharistia [the Eucharist], of which no one is allowed to partake but the man who believes that the things which we teach are true, and who has been washed with the washing that is for the remission of sins, and unto regeneration, and who is so living as Christ has enjoined. For not as common bread and common drink do we receive these; but in like manner as Jesus Christ our Savior, having been made flesh by the Word of God, had both flesh and blood for our salvation, so likewise have we been taught that the food which is blessed by the prayer of His word, and from which our blood and flesh by transmutation are nourished, is the flesh and blood of that Jesus who was made flesh.

In Christian belief and practice, a sacrament is a rite, instituted by Christ, that confers grace, constituting a sacred mystery. The term is derived from the Latin word sacramentum, which was used to translate the Greek word for mystery. Views concerning both which rites are sacramental, and what it means for an act to be a sacrament, vary among Christian denominations and traditions.

The most conventional functional definition of a sacrament is that it is an outward sign, instituted by Christ, that conveys an inward, spiritual grace through Christ. The two most widely accepted sacraments are Baptism and the Eucharist; however, the majority of Christians also recognize five additional sacraments: Confirmation ( Chrismation in the Eastern tradition), Holy Orders (or ordination), Penance (or Confession), Anointing of the Sick, and Matrimony (see Christian views on marriage).

Taken together, these are the Seven Sacraments as recognized by churches in the High Church tradition-notably Catholic, Eastern Orthodox, Oriental Orthodox, Independent Catholic, Old Catholic, many Anglicans, and some Lutherans. Most other denominations and traditions typically affirm only Baptism and Eucharist as sacraments, while some Protestant groups, such as the Quakers, reject sacramental theology. Evangelical churches adhering to the doctrine of the believers' Church mostly use the term " ordinances" to refer to baptism and communion.

Liturgical calendar

Catholics, Eastern Christians, Lutherans, Anglicans and other traditional Protestant communities frame worship around the liturgical year. The liturgical cycle divides the year into a series of seasons, each with their theological emphases, and modes of prayer, which can be signified by different ways of decorating churches, colors of paraments and vestments for clergy, scriptural readings, themes for preaching and even different traditions and practices often observed personally or in the home.

Western Christian liturgical calendars are based on the cycle of the Roman Rite of the Catholic Church, and Eastern Christians use analogous calendars based on the cycle of their respective rites. Calendars set aside holy days, such as solemnities which commemorate an event in the life of Jesus, Mary, or the saints, and periods of fasting, such as Lent and other pious events such as memoria, or lesser festivals commemorating saints. Christian groups that do not follow a liturgical tradition often retain certain celebrations, such as Christmas, Easter, and Pentecost: these are the celebrations of Christ's birth, resurrection, and the descent of the Holy Spirit upon the Church, respectively. A few denominations such as Quaker Christians make no use of a liturgical calendar.

Christianity has not generally practiced aniconism, the avoidance or prohibition of devotional images, even if early Jewish Christians and some modern denominations, invoking the Decalogue's prohibition of idolatry, avoided figures in their symbols.

The cross, today one of the most widely recognized symbols, was used by Christians from the earliest times. Tertullian, in his book De Corona, tells how it was already a tradition for Christians to trace the sign of the cross on their foreheads. Although the cross was known to the early Christians, the crucifix did not appear in use until the 5th century.

Among the earliest Christian symbols, that of the fish or Ichthys seems to have ranked first in importance, as seen on monumental sources such as tombs from the first decades of the 2nd century. Its popularity seemingly[attribution needed ] arose from the Greek word ichthys (fish) forming an acrostic for the Greek phrase Iesous Christos Theou Yios Soter (Ἰησοῦς Χριστός, Θεοῦ Υἱός, Σωτήρ), (Jesus Christ, Son of God, Savior), a concise summary of Christian faith.

Baptism is the ritual act, with the use of water, by which a person is admitted to membership of the Church. Beliefs on baptism vary among denominations. Differences occur firstly on whether the act has any spiritual significance. Some, such as the Catholic and Eastern Orthodox churches, as well as Lutherans and Anglicans, hold to the doctrine of baptismal regeneration, which affirms that baptism creates or strengthens a person's faith, and is intimately linked to salvation. Others view baptism as a purely symbolic act, an external public declaration of the inward change which has taken place in the person, but not as spiritually efficacious. Secondly, there are differences of opinion on the methodology of the act. These methods are: by immersion; if immersion is total, by submersion; by affusion (pouring); and by aspersion (sprinkling). Those who hold the first view may also adhere to the tradition of infant baptism; the Orthodox Churches all practice infant baptism and always baptize by total immersion repeated three times in the name of the Father, the Son, and the Holy Spirit. The Catholic Church also practices infant baptism, usually by affusion, and utilizing the Trinitarian formula.

Evangelical denominations adhering to the doctrine of the believers' Church, practice the believer's baptism, by immersion in water, after the new birth and a profession of faith. For newborns, there is a ceremony called child dedication.

"... 'Our Father in heaven, hallowed be your name. Your kingdom come. Your will be done on earth as it is in heaven. Give us today our daily bread. Forgive us our debts, as we also forgive our debtors. Lead us not into temptation, but deliver us from evil.'"

In the Gospel of Saint Matthew, Jesus taught the Lord's Prayer, which has been seen as a model for Christian prayer. The injunction for Christians to pray the Lord's prayer thrice daily was given in the and came to be recited by Christians at 9 am, 12 pm, and 3 pm.

In the second century Apostolic Tradition, Hippolytus instructed Christians to pray at seven fixed prayer times: "on rising, at the lighting of the evening lamp, at bedtime, at midnight" and "the third, sixth and ninth hours of the day, being hours associated with Christ's Passion." Prayer positions, including kneeling, standing, and prostrations have been used for these seven fixed prayer times since the days of the early Church. Breviaries such as the Shehimo and Agpeya are used by Oriental Orthodox Christians to pray these canonical hours while facing in the eastward direction of prayer.

The Apostolic Tradition directed that the sign of the cross be used by Christians during the minor exorcism of baptism, during ablutions before praying at fixed prayer times, and in times of temptation.

Intercessory prayer is prayer offered for the benefit of other people. There are many intercessory prayers recorded in the Bible, including prayers of the Apostle Peter on behalf of sick persons and by prophets of the Old Testament in favor of other people.[1Ki 17:19-22] In the Epistle of James, no distinction is made between the intercessory prayer offered by ordinary believers and the prominent Old Testament prophet Elijah. The effectiveness of prayer in Christianity derives from the power of God rather than the status of the one praying.

The ancient church, in both Eastern and Western Christianity, developed a tradition of asking for the intercession of (deceased) saints, and this remains the practice of most Eastern Orthodox, Oriental Orthodox, Catholic, and some Anglican churches. Churches of the Protestant Reformation, however, rejected prayer to the saints, largely on the basis of the sole mediatorship of Christ. The reformer Huldrych Zwingli admitted that he had offered prayers to the saints until his reading of the Bible convinced him that this was idolatrous.

According to the Catechism of the Catholic Church: "Prayer is the raising of one's mind and heart to God or the requesting of good things from God." The Book of Common Prayer in the Anglican tradition is a guide which provides a set order for services, containing set prayers, scripture readings, and hymns or sung Psalms. Frequently in Western Christianity, when praying, the hands are placed palms together and forward as in the feudal commendation ceremony. At other times the older orans posture may be used, with palms up and elbows in.

Scriptures

Christianity, like other religions, has adherents whose beliefs and biblical interpretations vary. Christianity regards the biblical canon, the Old Testament and the New Testament, as the inspired word of God. The traditional view of inspiration is that God worked through human authors so that what they produced was what God wished to communicate. The Greek word referring to inspiration in 2 Timothy 3:16 is theopneustos, which literally means "God-breathed".

Some believe that divine inspiration makes our present Bibles inerrant. Others claim inerrancy for the Bible in its original manuscripts, although none of those are extant. Still others maintain that only a particular translation is inerrant, such as the King James Version. Another closely related view is biblical infallibility or limited inerrancy, which affirms that the Bible is free of error as a guide to salvation, but may include errors on matters such as history, geography, or science.

The books of the Bible accepted by the Orthodox, Catholic, and Protestant churches vary somewhat, with Jews accepting only the Hebrew Bible as canonical; however, there is substantial overlap. These variations are a reflection of the range of traditions, and of the councils that have convened on the subject. Every version of the Old Testament always includes the books of the Tanakh, the canon of the Hebrew Bible. The Catholic and Orthodox canons, in addition to the Tanakh, also include the deuterocanonical books as part of the Old Testament. These books appear in the Septuagint, but are regarded by Protestants to be apocryphal. However, they are considered to be important historical documents which help to inform the understanding of words, grammar, and syntax used in the historical period of their conception. Some versions of the Bible include a separate Apocrypha section between the Old Testament and the New Testament. The New Testament, originally written in Koine Greek, contains 27 books which are agreed upon by all major churches.

Modern scholarship has raised many issues with the Bible. While the King James Version is held to by many because of its striking English prose, in fact it was translated from the Erasmus Greek Bible, which in turn "was based on a single 12th Century manuscript that is one of the worst manuscripts we have available to us". Much scholarship in the past several hundred years has gone into comparing different manuscripts in order to reconstruct the original text. Another issue is that several books are considered to be forgeries. The injunction that women "be silent and submissive" in 1 Timothy 2 is thought by many to be a forgery by a follower of Paul, a similar phrase in 1 Corinthians 14, which is thought to be by Paul, appears in different places in different manuscripts and is thought to originally be a margin note by a copyist. Other verses in 1 Corinthians, such as 1 Corinthians 11:2-16 where women are instructed to wear a covering over their hair "when they pray or prophesies", contradict this verse.

A final issue with the Bible is the way in which books were selected for inclusion in the New Testament. Other gospels have now been recovered, such as those found near Nag Hammadi in 1945, and while some of these texts are quite different from what Christians have been used to, it should be understood that some of this newly recovered Gospel material is quite possibly contemporaneous with, or even earlier than, the New Testament Gospels. The core of the Gospel of Thomas, in particular, may date from as early as AD 50 (although some major scholars contest this early dating), and if so would provide an insight into the earliest gospel texts that underlie the canonical Gospels, texts that are mentioned in Luke 1:1-2. The Gospel of Thomas contains much that is familiar from the canonical Gospels-verse 113, for example ("The Father's Kingdom is spread out upon the earth, but people do not see it"), is reminiscent of Luke 17:20-21-and the Gospel of John, with a terminology and approach that is suggestive of what was later termed Gnosticism, has recently been seen as a possible response to the Gospel of Thomas, a text that is commonly labeled proto-Gnostic. Scholarship, then, is currently exploring the relationship in the early church between mystical speculation and experience on the one hand and the search for church order on the other, by analyzing new-found texts, by subjecting canonical texts to further scrutiny, and by an examination of the passage of New Testament texts to canonical status.

Some denominations have additional canonical holy scriptures beyond the Bible, including the standard works of the Latter Day Saints movement and Divine Principle in the Unification Church.

Catholic interpretation

In antiquity, two schools of exegesis developed in Alexandria and Antioch. The Alexandrian interpretation, exemplified by Origen, tended to read Scripture allegorically, while the Antiochene interpretation adhered to the literal sense, holding that other meanings (called ) could only be accepted if based on the literal meaning.

Catholic theology distinguishes two senses of scripture: the literal and the spiritual.

The literal sense of understanding scripture is the meaning conveyed by the words of Scripture. The spiritual sense is further subdivided into:

Regarding exegesis, following the rules of sound interpretation, Catholic theology holds:

The injunction that all other senses of sacred scripture are based on the literal

That the historicity of the Gospels must be absolutely and constantly held

That scripture must be read within the "living Tradition of the whole Church" and

That "the task of interpretation has been entrusted to the bishops in communion with the successor of Peter, the Bishop of Rome".

Protestant interpretation

Qualities of Scripture

Many Protestant Christians, such as Lutherans and the Reformed, believe in the doctrine of sola scriptura--that the Bible is a self-sufficient revelation, the final authority on all Christian doctrine, and revealed all truth necessary for salvation; other Protestant Christians, such as Methodists and Anglicans, affirm the doctrine of prima scriptura which teaches that Scripture is the primary source for Christian doctrine, but that "tradition, experience, and reason" can nurture the Christian religion as long as they are in harmony with the Bible. Protestants characteristically believe that ordinary believers may reach an adequate understanding of Scripture because Scripture itself is clear in its meaning (or "perspicuous"). Martin Luther believed that without God's help, Scripture would be "enveloped in darkness". He advocated for "one definite and simple understanding of Scripture". John Calvin wrote, "all who refuse not to follow the Holy Spirit as their guide, find in the Scripture a clear light". Related to this is "efficacy", that Scripture is able to lead people to faith; and "sufficiency", that the Scriptures contain everything that one needs to know in order to obtain salvation and to live a Christian life.

Original intended meaning of Scripture

Protestants stress the meaning conveyed by the words of Scripture, the historical-grammatical method. The historical-grammatical method or grammatico-historical method is an effort in Biblical hermeneutics to find the intended original meaning in the text. This original intended meaning of the text is drawn out through examination of the passage in light of the grammatical and syntactical aspects, the historical background, the literary genre, as well as theological (canonical) considerations. The historical-grammatical method distinguishes between the one original meaning and the significance of the text. The significance of the text includes the ensuing use of the text or application. The original passage is seen as having only a single meaning or sense. As Milton S. Terry said: "A fundamental principle in grammatico-historical exposition is that the words and sentences can have but one significance in one and the same connection. The moment we neglect this principle we drift out upon a sea of uncertainty and conjecture." Technically speaking, the grammatical-historical method of interpretation is distinct from the determination of the passage's significance in light of that interpretation. Taken together, both define the term (Biblical) hermeneutics. Some Protestant interpreters make use of typology.

Early Christianity

Apostolic Age

Christianity developed during the 1st century CE as a Jewish Christian sect with Hellenistic influence of Second Temple Judaism. An early Jewish Christian community was founded in Jerusalem under the leadership of the Pillars of the Church, namely James the Just, the brother of Jesus, Peter, and John.

Jewish Christianity soon attracted Gentile God-fearers, posing a problem for its Jewish religious outlook, which insisted on close observance of the Jewish commandments. Paul the Apostle solved this by insisting that salvation by faith in Christ, and participation in his death and resurrection by their baptism, sufficed. At first he persecuted the early Christians, but after a conversion experience he preached to the gentiles, and is regarded as having had a formative effect on the emerging Christian identity as separate from Judaism. Eventually, his departure from Jewish customs would result in the establishment of Christianity as an independent religion.

Ante-Nicene period

This formative period was followed by the early bishops, whom Christians consider the successors of Christ's apostles. From the year 150, Christian teachers began to produce theological and apologetic works aimed at defending the faith. These authors are known as the Church Fathers, and the study of them is called patristics. Notable early Fathers include Ignatius of Antioch, Polycarp, Justin Martyr, Irenaeus, Tertullian, Clement of Alexandria and Origen.

Persecution of Christians occurred intermittently and on a small scale by both Jewish and Roman authorities, with Roman action starting at the time of the Great Fire of Rome in 64 AD. Examples of early executions under Jewish authority reported in the New Testament include the deaths of Saint Stephen and James, son of Zebedee. The Decian persecution was the first empire-wide conflict, when the edict of Decius in 250 AD required everyone in the Roman Empire (except Jews) to perform a sacrifice to the Roman gods. The Diocletianic Persecution beginning in 303 AD was also particularly severe. Roman persecution ended in 313 AD with the Edict of Milan.

While Proto-orthodox Christianity was becoming dominant, heterodox sects also existed at the same time, which held radically different beliefs. Gnostic Christianity developed a duotheistic doctrine based on illusion and enlightenment rather than forgiveness of sin. With only a few scriptures overlapping with the developing orthodox canon, most Gnostic texts and Gnostic gospels were eventually considered heretical and suppressed by mainstream Christians. A gradual splitting off of Gentile Christianity left Jewish Christians continuing to follow the Law of Moses, including practices such as circumcision. By the fifth century, they and the Jewish-Christian gospels would be largely suppressed by the dominant sects in both Judaism and Christianity.

Spread and acceptance in Roman Empire

Christianity spread to Aramaic-speaking peoples along the Mediterranean coast and also to the inland parts of the Roman Empire and beyond that into the Parthian Empire and the later Sasanian Empire, including Mesopotamia, which was dominated at different times and to varying extents by these empires. The presence of Christianity in Africa began in the middle of the 1st century in Egypt and by the end of the 2nd century in the region around Carthage. Mark the Evangelist is claimed to have started the Church of Alexandria in about 43 CE; various later churches claim this as their own legacy, including the Coptic Orthodox Church. Important Africans who influenced the early development of Christianity include Tertullian, Clement of Alexandria, Origen of Alexandria, Cyprian, Athanasius, and Augustine of Hippo.

King Tiridates III made Christianity the state religion in Armenia between 301 and 314, thus Armenia became the first officially Christian state. It was not an entirely new religion in Armenia, having penetrated into the country from at least the third century, but it may have been present even earlier.

Constantine I was exposed to Christianity in his youth, and throughout his life his support for the religion grew, culminating in baptism on his deathbed. During his reign, state-sanctioned persecution of Christians was ended with the Edict of Toleration in 311 and the Edict of Milan in 313. At that point, Christianity was still a minority belief, comprising perhaps only five percent of the Roman population. Influenced by his adviser Mardonius, Constantine's nephew Julian unsuccessfully tried to suppress Christianity. On 27 February 380, Theodosius I, Gratian, and Valentinian II established Nicene Christianity as the State church of the Roman Empire. As soon as it became connected to the state, Christianity grew wealthy; the Church solicited donations from the rich and could now own land.

Constantine was also instrumental in the convocation of the First Council of Nicaea in 325, which sought to address Arianism and formulated the Nicene Creed, which is still used by in Catholicism, Eastern Orthodoxy, Lutheranism, Anglicanism, and many other Protestant churches. Nicaea was the first of a series of ecumenical councils, which formally defined critical elements of the theology of the Church, notably concerning Christology. The Church of the East did not accept the third and following ecumenical councils and is still separate today by its successors ( Assyrian Church of the East).

In terms of prosperity and cultural life, the Byzantine Empire was one of the peaks in Christian history and Christian civilization, and Constantinople remained the leading city of the Christian world in size, wealth, and culture. There was a renewed interest in classical Greek philosophy, as well as an increase in literary output in vernacular Greek. Byzantine art and literature held a preeminent place in Europe, and the cultural impact of Byzantine art on the West during this period was enormous and of long-lasting significance. The later rise of Islam in North Africa reduced the size and numbers of Christian congregations, leaving in large numbers only the Coptic Church in Egypt, the Ethiopian Orthodox Tewahedo Church in the Horn of Africa and the Nubian Church in the Sudan (Nobatia, Makuria and Alodia).

Early Middle Ages

With the decline and fall of the Roman Empire in the West, the papacy became a political player, first visible in Pope Leo's diplomatic dealings with Huns and Vandals. The church also entered into a long period of missionary activity and expansion among the various tribes. While Arianists instituted the death penalty for practicing pagans (see the Massacre of Verden, for example), what would later become Catholicism also spread among the Hungarians, the Germanic, the Celtic, the Baltic and some Slavic peoples.

Around 500, St. Benedict set out his Monastic Rule, establishing a system of regulations for the foundation and running of monasteries. Monasticism became a powerful force throughout Europe, and gave rise to many early centers of learning, most famously in Ireland, Scotland, and Gaul, contributing to the Carolingian Renaissance of the 9th century.

In the 7th century, Muslims conquered Syria (including Jerusalem), North Africa, and Spain, converting some of the Christian population to Islam, and placing the rest under a separate legal status. Part of the Muslims' success was due to the exhaustion of the Byzantine Empire in its decades long conflict with Persia. Beginning in the 8th century, with the rise of Carolingian leaders, the Papacy sought greater political support in the Frankish Kingdom.

The Middle Ages brought about major changes within the church. Pope Gregory the Great dramatically reformed the ecclesiastical structure and administration. In the early 8th century, iconoclasm became a divisive issue, when it was sponsored by the Byzantine emperors. The Second Ecumenical Council of Nicaea (787) finally pronounced in favor of icons. In the early 10th century, Western Christian monasticism was further rejuvenated through the leadership of the great Benedictine monastery of Cluny.

High and Late Middle Ages

In the West, from the 11th century onward, some older cathedral schools became universities (see, for example, University of Oxford, University of Paris and University of Bologna). Previously, higher education had been the domain of Christian cathedral schools or monastic schools ( Scholae monasticae), led by monks and nuns. Evidence of such schools dates back to the 6th century CE. These new universities expanded the curriculum to include academic programs for clerics, lawyers, civil servants, and physicians. The university is generally regarded as an institution that has its origin in the Medieval Christian setting.

Accompanying the rise of the "new towns" throughout Europe, mendicant orders were founded, bringing the consecrated religious life out of the monastery and into the new urban setting. The two principal mendicant movements were the Franciscans and the Dominicans, founded by St. Francis and St. Dominic, respectively. Both orders made significant contributions to the development of the great universities of Europe. Another new order was the Cistercians, whose large isolated monasteries spearheaded the settlement of former wilderness areas. In this period, church building and ecclesiastical architecture reached new heights, culminating in the orders of Romanesque and Gothic architecture and the building of the great European cathedrals.

Christian nationalism emerged during this era in which Christians felt the impulse to recover lands in which Christianity had historically flourished. From 1095 under the pontificate of Urban II, the First Crusade was launched. These were a series of military campaigns in the Holy Land and elsewhere, initiated in response to pleas from the Byzantine Emperor Alexios I for aid against Turkish expansion. The Crusades ultimately failed to stifle Islamic aggression and even contributed to Christian enmity with the sacking of Constantinople during the Fourth Crusade.

The Christian Church experienced internal conflict between the 7th and 13th centuries that resulted in a schism between the so-called Latin or Western Christian branch (the Catholic Church), and an Eastern, largely Greek, branch (the Eastern Orthodox Church). The two sides disagreed on a number of administrative, liturgical and doctrinal issues, most prominently Eastern Orthodox opposition to papal supremacy. The Second Council of Lyon (1274) and the Council of Florence (1439) attempted to reunite the churches, but in both cases, the Eastern Orthodox refused to implement the decisions, and the two principal churches remain in schism to the present day. However, the Catholic Church has achieved union with various smaller eastern churches.

In the thirteenth century, a new emphasis on Jesus' suffering, exemplified by the Franciscans' preaching, had the consequence of turning worshippers' attention towards Jews, on whom Christians had placed the blame for Jesus' death. Christianity's limited tolerance of Jews was not new-Augustine of Hippo said that Jews should not be allowed to enjoy the citizenship that Christians took for granted-but the growing antipathy towards Jews was a factor that led to the expulsion of Jews from England in 1290, the first of many such expulsions in Europe.

Beginning around 1184, following the crusade against Cathar heresy, various institutions, broadly referred to as the Inquisition, were established with the aim of suppressing heresy and securing religious and doctrinal unity within Christianity through conversion and prosecution.

Protestant Reformation and Counter-Reformation

The 15th-century Renaissance brought about a renewed interest in ancient and classical learning. During the Reformation, Martin Luther posted the Ninety-five Theses 1517 against the sale of indulgences. Printed copies soon spread throughout Europe. In 1521 the Edict of Worms condemned and excommunicated Luther and his followers, resulting in the schism of the Western Christendom into several branches.

Other reformers like Zwingli, Oecolampadius, Calvin, Knox, and Arminius further criticized Catholic teaching and worship. These challenges developed into the movement called Protestantism, which repudiated the primacy of the pope, the role of tradition, the seven sacraments, and other doctrines and practices. The Reformation in England began in 1534, when King Henry VIII had himself declared head of the Church of England. Beginning in 1536, the monasteries throughout England, Wales and Ireland were dissolved.

Thomas Müntzer, Andreas Karlstadt and other theologians perceived both the Catholic Church and the confessions of the Magisterial Reformation as corrupted. Their activity brought about the Radical Reformation, which gave birth to various Anabaptist denominations.

Partly in response to the Protestant Reformation, the Catholic Church engaged in a substantial process of reform and renewal, known as the Counter-Reformation or Catholic Reform. The Council of Trent clarified and reasserted Catholic doctrine. During the following centuries, competition between Catholicism and Protestantism became deeply entangled with political struggles among European states.

Meanwhile, the discovery of America by Christopher Columbus in 1492 brought about a new wave of missionary activity. Partly from missionary zeal, but under the impetus of colonial expansion by the European powers, Christianity spread to the Americas, Oceania, East Asia and sub-Saharan Africa.

Throughout Europe, the division caused by the Reformation led to outbreaks of religious violence and the establishment of separate state churches in Europe. Lutheranism spread into the northern, central, and eastern parts of present-day Germany, Livonia, and Scandinavia. Anglicanism was established in England in 1534. Calvinism and its varieties, such as Presbyterianism, were introduced in Scotland, the Netherlands, Hungary, Switzerland, and France. Arminianism gained followers in the Netherlands and Frisia. Ultimately, these differences led to the outbreak of conflicts in which religion played a key factor. The Thirty Years' War, the English Civil War, and the French Wars of Religion are prominent examples. These events intensified the Christian debate on persecution and toleration.

In the revival of neoplatonism Renaissance humanists did not reject Christianity; quite the contrary, many of the greatest works of the Renaissance were devoted to it, and the Catholic Church patronized many works of Renaissance art. Much, if not most, of the new art was commissioned by or in dedication to the Church. Some scholars and historians attributes Christianity to having contributed to the rise of the Scientific Revolution,[excessive citations ] Many well-known historical figures who influenced Western science considered themselves Christian such as Nicolaus Copernicus, Galileo Galilei, Johannes Kepler, Isaac Newton and Robert Boyle.

Post-Enlightenment

In the era known as the Great Divergence, when in the West, the Age of Enlightenment and the scientific revolution brought about great societal changes, Christianity was confronted with various forms of skepticism and with certain modern political ideologies, such as versions of socialism and liberalism. Events ranged from mere anti-clericalism to violent outbursts against Christianity, such as the dechristianization of France during the French Revolution, the Spanish Civil War, and certain Marxist movements, especially the Russian Revolution and the persecution of Christians in the Soviet Union under state atheism.

The combined factors of the formation of nation states and ultramontanism, especially in Germany and the Netherlands, but also in England to a much lesser extent, often forced Catholic churches, organizations, and believers to choose between the national demands of the state and the authority of the Church, specifically the papacy. This conflict came to a head in the First Vatican Council, and in Germany would lead directly to the Kulturkampf, where liberals and Protestants under the leadership of Bismarck managed to severely restrict Catholic expression and organization.

Christian commitment in Europe dropped as modernity and secularism came into their own, particularly in Czechia and Estonia, while religious commitments in America have been generally high in comparison to Europe. The late 20th century has shown the shift of Christian adherence to the Third World and the Southern Hemisphere in general, with the West no longer the chief standard bearer of Christianity. Approximately 7 to 10% of Arabs are Christians, most prevalent in Egypt, Syria and Lebanon.

Demographics

With around 2.4 billion adherents, split into three main branches of Catholic, Protestant, and Eastern Orthodox, Christianity is the world's largest religion. The Christian share of the world's population has stood at around 33% for the last hundred years, which means that one in three persons on Earth are Christians. This masks a major shift in the demographics of Christianity; large increases in the developing world have been accompanied by substantial declines in the developed world, mainly in Western Europe and North America. According to a 2015 Pew Research Center study, within the next four decades, Christianity will remain the largest religion; and by 2050, the Christian population is expected to exceed 3 billion.

According to some scholars, Christianity ranks at first place in net gains through religious conversion. As a percentage of Christians, the Catholic Church and Orthodoxy (both Eastern and Oriental) are declining in some parts of the world (though Catholicism is growing in Asia, in Africa, vibrant in Eastern Europe, etc.), while Protestants and other Christians are on the rise in the developing world. The so-called popular Protestantism is one of the fastest growing religious categories in the world. Nevertheless, Catholicism will also continue to grow to 1.63 billion by 2050, according to Todd Johnson of the Center for the Study of Global Christianity. Africa alone, by 2015, will be home to 230 million African Catholics. And if in 2018, the U.N. projects that Africa's population will reach 4.5 billion by 2100 (not 2 billion as predicted in 2004), Catholicism will indeed grow, as will other religious groups. According to Pew Research Center, Africa is expected to be home to 1.1 billion African Christians by 2050.

In 2010, 87% of world's Christian population lived in countries where Christians are in the majority, while 13% of world's Christian population lived in countries where Christians are in the minority. Christianity is the predominant religion in Europe, the Americas, Oceania, and Southern Africa. In Asia, it is the dominant religion in Armenia, Cyprus, Georgia, East Timor, and the Philippines. However, it is declining in some areas including the northern and western United States, some areas in Oceania (Australia and New Zealand), northern Europe (including Great Britain, Scandinavia and other places), France, Germany, and the Canadian provinces of Ontario, British Columbia, and Quebec, and some parts of Asia (especially the Middle East, due to the Christian emigration, and Macau).

The Christian population is not decreasing in Brazil, the southern United States, and the province of Alberta, Canada, but the percentage is decreasing. Since the fall of communism, the proportion of Christians has been stable or even increased in the Central and Eastern European countries. Christianity is growing rapidly in both numbers and percentage in China, other Asian countries, Sub-Saharan Africa, Latin America, Eastern Europe, North Africa ( Maghreb), Gulf Cooperation Council countries, and Oceania.

Despite the declining numbers, Christianity remains the dominant religion in the Western World, where 70% are Christians. Christianity remains the largest religion in Western Europe, where 71% of Western Europeans identified themselves as Christian in 2018. A 2011 Pew Research Center survey found that 76% of Europeans, 73% in Oceania and about 86% in the Americas (90% in Latin America and 77% in North America) identified themselves as Christians. By 2010 about 157 countries and territories in the world had Christian majorities.

However, there are many charismatic movements that have become well established over large parts of the world, especially Africa, Latin America, and Asia. Since 1900, primarily due to conversion, Protestantism has spread rapidly in Africa, Asia, Oceania, and Latin America. From 1960 to 2000, the global growth of the number of reported Evangelical Protestants grew three times the world's population rate, and twice that of Islam. According to the historian Geoffrey Blainey from the University of Melbourne, since the 1960s there has been a substantial increase in the number of conversions from Islam to Christianity, mostly to the Evangelical and Pentecostal forms. A study conducted by St. Mary's University estimated about 10.2 million Muslim converts to Christianity in 2015, according to the study significant numbers of Muslims converts to Christianity can be found in Afghanistan, Azerbaijan, Central Asia (including Kazakhstan, Kyrgyzstan, and other countries), Indonesia, Malaysia, the Middle East (including Iran, Saudi Arabia, Turkey, and other countries), North Africa (including Algeria, Morocco, and Tunisia), Sub-Saharan Africa, and the Western World (including Albania, Belgium, France, Germany, Kosovo, the Netherlands, Russia, Scandinavia, United kingdom, the United States, and other western countries). It is also reported that Christianity is popular among people of different backgrounds in Africa and Asia, according to a report by the Singapore Management University, more people in Southeast Asia are converting to Christianity, many of them are young and have a university degree. According to scholar Juliette Koning and Heidi Dahles of Vrije Universiteit Amsterdam there is a "rapid expansion" of Christianity in Singapore, China, Hong Kong, Taiwan, Indonesia, Malaysia, and South Korea. According to scholar Terence Chong from the Institute of Southeast Asian Studies, since the 1980s Christianity is expanding in China, Singapore, Indonesia, Japan, Malaysia, Taiwan, South Korea, and Vietnam.

In most countries in the developed world, church attendance among people who continue to identify themselves as Christians has been falling over the last few decades. Some sources view this simply as part of a drift away from traditional membership institutions, while others link it to signs of a decline in belief in the importance of religion in general. Europe's Christian population, though in decline, still constitutes the largest geographical component of the religion. According to data from the 2012 European Social Survey, around a third of European Christians say they attend services once a month or more, Conversely about more than two-thirds of Latin American Christians; according to the World Values Survey, about 90% of African Christians (in Ghana, Nigeria, Rwanda, South Africa and Zimbabwe) said they attended church regularly.

Christianity, in one form or another, is the sole state religion of the following nations: Argentina (Catholic), Tuvalu (Reformed), Tonga (Methodist), Norway (Lutheran), Costa Rica (Catholic), the Kingdom of Denmark (Lutheran), England (Anglican), Georgia (Georgian Orthodox), Greece (Greek Orthodox), Iceland (Lutheran), Liechtenstein (Catholic), Malta (Catholic), Monaco (Catholic), and Vatican City (Catholic).

Tradition

Followers

% of the Christian population

% of the world population

Follower dynamics

Dynamics in- and outside Christianity

Christianity

2,382,750,000

100

31.7

Growing

Stable

Christian median age in region (years)

Regional median age (years)

Churches and denominations

The four primary divisions of Christianity are the Catholic Church, the Eastern Orthodox Church, Oriental Orthodoxy, and Protestantism. A broader distinction that is sometimes drawn is between Eastern Christianity and Western Christianity, which has its origins in the East-West Schism (Great Schism) of the 11th century. Recently, neither Western or Eastern World Christianity has also stood out, for example, African-initiated churches. However, there are other present and historical Christian groups that do not fit neatly into one of these primary categories.

There is a diversity of doctrines and liturgical practices among groups calling themselves Christian. These groups may vary ecclesiologically in their views on a classification of Christian denominations. The Nicene Creed (325), however, is typically accepted as authoritative by most Christians, including the Catholic, Eastern Orthodox, Oriental Orthodox, and major Protestant (including Anglican) denominations.

(Not shown are non- Nicene, nontrinitarian, and some restorationist denominations.)

Catholic Church

The Catholic Church consists of those particular churches, headed by bishops, in communion with the pope, the bishop of Rome, as its highest authority in matters of faith, morality, and church governance. Like Eastern Orthodoxy, the Catholic Church, through apostolic succession, traces its origins to the Christian community founded by Jesus Christ. Catholics maintain that the " one, holy, catholic, and apostolic church" founded by Jesus subsists fully in the Catholic Church, but also acknowledges other Christian churches and communities and works towards reconciliation among all Christians. The Catholic faith is detailed in the Catechism of the Catholic Church.

Of its seven sacraments, the Eucharist is the principal one, celebrated liturgically in the Mass. The church teaches that through consecration by a priest, the sacrificial bread and wine become the body and blood of Christ. The Virgin Mary is venerated in the Catholic Church as Mother of God and Queen of Heaven, honoured in dogmas and devotions. Its teaching includes Divine Mercy, sanctification through faith and evangelization of the Gospel as well as Catholic social teaching, which emphasises voluntary support for the sick, the poor, and the afflicted through the corporal and spiritual works of mercy. The Catholic Church operates thousands of Catholic schools, universities, hospitals, and orphanages around the world, and is the largest non-government provider of education and health care in the world. Among its other social services are numerous charitable and humanitarian organizations.

Canon law ( Latin: jus canonicum) is the system of laws and legal principles made and enforced by the hierarchical authorities of the Catholic Church to regulate its external organisation and government and to order and direct the activities of Catholics toward the mission of the church. The canon law of the Latin Church was the first modern Western legal system and is the oldest continuously functioning legal system in the West, while the distinctive traditions of Eastern Catholic canon law govern the 23 Eastern Catholic particular churches

As the world's oldest and largest continuously functioning international institution, it has played a prominent role in the history and development of Western civilization. The 2,834 sees are grouped into 24 particular autonomous Churches (the largest of which being the Latin Church), each with its own distinct traditions regarding the liturgy and the administering of sacraments. With more than 1.1 billion baptized members, the Catholic Church is the largest Christian church and represents 50.1% all Christians as well as one sixth of the world's population. Catholics live all over the world through missions, diaspora, and conversions.

Eastern Orthodox Church

The Eastern Orthodox Church consists of those churches in communion with the patriarchal sees of the East, such as the Ecumenical Patriarch of Constantinople. Like the Catholic Church, the Eastern Orthodox Church also traces its heritage to the foundation of Christianity through apostolic succession and has an episcopal structure, though the autonomy of its component parts is emphasized, and most of them are national churches.

Eastern Orthodox theology is based on holy tradition which incorporates the dogmatic decrees of the seven Ecumenical Councils, the Scriptures, and the teaching of the Church Fathers. The church teaches that it is the one, holy, catholic and apostolic church established by Jesus Christ in his Great Commission, and that its bishops are the successors of Christ's apostles. It maintains that it practises the original Christian faith, as passed down by holy tradition. Its patriarchates, reminiscent of the pentarchy, and other autocephalous and autonomous churches reflect a variety of hierarchical organisation. It recognises seven major sacraments, of which the Eucharist is the principal one, celebrated liturgically in synaxis. The church teaches that through consecration invoked by a priest, the sacrificial bread and wine become the body and blood of Christ. The Virgin Mary is venerated in the Eastern Orthodox Church as the God-bearer, honoured in devotions.

Eastern Orthodoxy is the second largest single denomination in Christianity, with an estimated 230 million adherents, although Protestants collectively outnumber them, substantially. As one of the oldest surviving religious institutions in the world, the Eastern Orthodox Church has played a prominent role in the history and culture of Eastern and Southeastern Europe, the Caucasus, and the Near East.

Oriental Orthodoxy

The Oriental Orthodox Churches (also called "Old Oriental" churches) are those eastern churches that recognize the first three ecumenical councils- Nicaea, Constantinople, and Ephesus-but reject the dogmatic definitions of the Council of Chalcedon and instead espouse a Miaphysite christology.

The Oriental Orthodox communion consists of six groups: Syriac Orthodox, Coptic Orthodox, Ethiopian Orthodox, Eritrean Orthodox, Malankara Orthodox Syrian Church (India), and Armenian Apostolic churches. These six churches, while being in communion with each other, are completely independent hierarchically. These churches are generally not in communion with the Eastern Orthodox Church, with whom they are in dialogue for erecting a communion. Together, they have about 62 million members worldwide.

As some of the oldest religious institutions in the world, the Oriental Orthodox Churches have played a prominent role in the history and culture of Armenia, Egypt, Turkey, Eritrea, Ethiopia, Sudan and parts of the Middle East and India. An Eastern Christian body of autocephalous churches, its bishops are equal by virtue of episcopal ordination, and its doctrines can be summarized in that the churches recognize the validity of only the first three ecumenical councils.

Assyrian Church of the East

Its main spoken language is Syriac, a dialect of Eastern Aramaic, and the majority of its adherents are ethnic Assyrians. It is officially headquartered in the city of Erbil in northern Iraqi Kurdistan, and its original area also spreads into south-eastern Turkey and north-western Iran, corresponding to ancient Assyria. Its hierarchy is composed of metropolitan bishops and diocesan bishops, while lower clergy consists of priests and deacons, who serve in dioceses (eparchies) and parishes throughout the Middle East, India, North America, Oceania, and Europe (including the Caucasus and Russia).

Protestantism

In 1521, the Edict of Worms condemned Martin Luther and officially banned citizens of the Holy Roman Empire from defending or propagating his ideas. This split within the Roman Catholic church is now called the Reformation. Prominent Reformers included Martin Luther, Huldrych Zwingli, and John Calvin. The 1529 Protestation at Speyer against being excommunicated gave this party the name Protestantism. Luther's primary theological heirs are known as Lutherans. Zwingli and Calvin's heirs are far broader denominationally, and are referred to as the Reformed tradition. Protestants have developed their own culture, with major contributions in education, the humanities and sciences, the political and social order, the economy and the arts, and many other fields.

The Anglican churches descended from the Church of England and organized in the Anglican Communion. Some, but not all Anglicans consider themselves both Protestant and Catholic.

Since the Anglican, Lutheran, and the Reformed branches of Protestantism originated for the most part in cooperation with the government, these movements are termed the " Magisterial Reformation". On the other hand, groups such as the Anabaptists, who often do not consider themselves to be Protestant, originated in the Radical Reformation, which though sometimes protected under Acts of Toleration, do not trace their history back to any state church. They are further distinguished by their rejection of infant baptism; they believe in baptism only of adult believers- credobaptism (Anabaptists include the Amish, Apostolic, Mennonites, Hutterites, River Brethren and Schwarzenau Brethren/ German Baptist groups.)

The term Protestant also refers to any churches which formed later, with either the Magisterial or Radical traditions. In the 18th century, for example, Methodism grew out of Anglican minister John Wesley's evangelical revival movement. Several Pentecostal and non-denominational churches, which emphasize the cleansing power of the Holy Spirit, in turn grew out of Methodism. Because Methodists, Pentecostals and other evangelicals stress "accepting Jesus as your personal Lord and Savior", which comes from Wesley's emphasis of the New Birth, they often refer to themselves as being born-again.

Protestantism is the second largest major group of Christians after Catholicism by number of followers, although the Eastern Orthodox Church is larger than any single Protestant denomination. Estimates vary, mainly over the question of which denominations to classify as Protestant. Yet, the total number of Protestant Christians is generally estimated between 800 million and 1 billion, corresponding to nearly 40% of world's Christians. The majority of Protestants are members of just a handful of denominational families, i.e. Adventists, Anglicans, Baptists, Reformed (Calvinists), Lutherans, Methodists, Moravians/ Hussites, and Pentecostals. Nondenominational, evangelical, charismatic, neo-charismatic, independent, and other churches are on the rise, and constitute a significant part of Protestant Christianity.

Some groups of individuals who hold basic Protestant tenets identify themselves simply as "Christians" or " born-again Christians". They typically distance themselves from the confessionalism and creedalism of other Christian communities by calling themselves " non-denominational" or " evangelical". Often founded by individual pastors, they have little affiliation with historic denominations.

Restorationism

The Second Great Awakening, a period of religious revival that occurred in the United States during the early 1800s, saw the development of a number of unrelated churches. They generally saw themselves as restoring the original church of Jesus Christ rather than reforming one of the existing churches. A common belief held by Restorationists was that the other divisions of Christianity had introduced doctrinal defects into Christianity, which was known as the Great Apostasy. In Asia, Iglesia ni Cristo is a known restorationist religion that was established during the early 1900s.

Some of the churches originating during this period are historically connected to early 19th-century camp meetings in the Midwest and upstate New York. One of the largest churches produced from the movement is The Church of Jesus Christ of Latter-day Saints. American Millennialism and Adventism, which arose from Evangelical Protestantism, influenced the Jehovah's Witnesses movement and, as a reaction specifically to William Miller, the Seventh-day Adventists. Others, including the Christian Church (Disciples of Christ), Evangelical Christian Church in Canada, Churches of Christ, and the Christian churches and churches of Christ, have their roots in the contemporaneous Stone-Campbell Restoration Movement, which was centered in Kentucky and Tennessee. Other groups originating in this time period include the Christadelphians and the previously mentioned Latter Day Saints movement. While the churches originating in the Second Great Awakening have some superficial similarities, their doctrine and practices vary significantly.

Within Italy, Poland, Lithuania, Transylvania, Hungary, Romania, and the United Kingdom, Unitarian Churches emerged from the Reformed tradition in the 16th century; the Unitarian Church of Transylvania is an example such a denomination that arose in this era. They adopted the Anabaptist doctrine of credobaptism.

Various smaller Independent Catholic communities, such as the Old Catholic Church, include the word in their title, and arguably have more or less liturgical practices in common with the Catholic Church, but are no longer in full communion with the Holy See.

Spiritual Christians, such as the Doukhobors and Molokans, broke from the Russian Orthodox Church and maintain close association with Mennonites and Quakers due to similar religious practices; all of these groups are furthermore collectively considered to be peace churches due to their belief in pacifism.

Messianic Judaism (or the Messianic Movement) is the name of a Christian movement comprising a number of streams, whose members may consider themselves Jewish. The movement originated in the 1960s and 1970s, and it blends elements of religious Jewish practice with evangelical Christianity. Messianic Judaism affirms Christian creeds such as the messiahship and divinity of "Yeshua" (the Hebrew name of Jesus) and the Triune Nature of God, while also adhering to some Jewish dietary laws and customs.

Esoteric Christians regard Christianity as a mystery religion and profess the existence and possession of certain esoteric doctrines or practices, hidden from the public and accessible only to a narrow circle of "enlightened", "initiated", or highly educated people. Some of the esoteric Christian institutions include the Rosicrucian Fellowship, the Anthroposophical Society, and Martinism.

Nondenominational Christianity or non-denominational Christianity consists of churches which typically distance themselves from the confessionalism or creedalism of other Christian communities by not formally aligning with a specific Christian denomination. Nondenominational Christianity first arose in the 18th century through the Stone-Campbell Restoration Movement, with followers organizing themselves simply as " Christians" and " Disciples of Christ", but many typically adhere to evangelical Christianity.

Influence on Western culture

Western culture, throughout most of its history, has been nearly equivalent to Christian culture, and a large portion of the population of the Western Hemisphere can be described as practicing or nominal Christians. The notion of "Europe" and the "Western World" has been intimately connected with the concept of "Christianity and Christendom". Many historians even attribute Christianity for being the link that created a unified European identity.

Though Western culture contained several polytheistic religions during its early years under the Greek and Roman empires, as the centralized Roman power waned, the dominance of the Catholic Church was the only consistent force in Western Europe. Until the Age of Enlightenment, Christian culture guided the course of philosophy, literature, art, music and science. Christian disciplines of the respective arts have subsequently developed into Christian philosophy, Christian art, Christian music, Christian literature, and so on.

Christianity has had a significant impact on education, as the church created the bases of the Western system of education, and was the sponsor of founding universities in the Western world, as the university is generally regarded as an institution that has its origin in the Medieval Christian setting. Historically, Christianity has often been a patron of science and medicine; many Catholic clergy, Jesuits in particular, have been active in the sciences throughout history and have made significant contributions to the development of science. Protestantism also has had an important influence on science. According to the Merton Thesis, there was a positive correlation between the rise of English Puritanism and German Pietism on the one hand, and early experimental science on the other. The civilizing influence of Christianity includes social welfare, founding hospitals, economics (as the Protestant work ethic), architecture, politics, literature, personal hygiene ( ablution), and family life.

Eastern Christians (particularly Nestorian Christians) contributed to the Arab Islamic civilization during the reign of the Ummayad and the Abbasid, by translating works of Greek philosophers to Syriac and afterwards, to Arabic. They also excelled in philosophy, science, theology, and medicine.

Christians have made a myriad of contributions to human progress in a broad and diverse range of fields, including philosophy, science and technology, medicine, fine arts and architecture, politics, literatures, music, and business. According to 100 Years of Nobel Prizes a review of the Nobel Prizes award between 1901 and 2000 reveals that (65.4%) of Nobel Prizes Laureates, have identified Christianity in its various forms as their religious preference.

Postchristianity is the term for the decline of Christianity, particularly in Europe, Canada, Australia, and to a minor degree the Southern Cone, in the 20th and 21st centuries, considered in terms of postmodernism. It refers to the loss of Christianity's monopoly on values and world view in historically Christian societies.

Christian groups and denominations have long expressed ideals of being reconciled, and in the 20th century, Christian ecumenism advanced in two ways. One way was greater cooperation between groups, such as the World Evangelical Alliance founded in 1846 in London or the Edinburgh Missionary Conference of Protestants in 1910, the Justice, Peace and Creation Commission of the World Council of Churches founded in 1948 by Protestant and Orthodox churches, and similar national councils like the National Council of Churches in Australia, which includes Catholics.

The other way was an institutional union with united churches, a practice that can be traced back to unions between Lutherans and Calvinists in early 19th-century Germany. Congregationalist, Methodist, and Presbyterian churches united in 1925 to form the United Church of Canada, and in 1977 to form the Uniting Church in Australia. The Church of South India was formed in 1947 by the union of Anglican, Baptist, Methodist, Congregationalist, and Presbyterian churches.

The ecumenical, monastic Taizé Community is notable for being composed of more than one hundred brothers from Protestant and Catholic traditions. The community emphasizes the reconciliation of all denominations and its main church, located in Taizé, Saône-et-Loire, France, is named the "Church of Reconciliation". The community is internationally known, attracting over 100,000 young pilgrims annually.

Steps towards reconciliation on a global level were taken in 1965 by the Catholic and Orthodox churches, mutually revoking the excommunications that marked their Great Schism in 1054; the Anglican Catholic International Commission (ARCIC) working towards full communion between those churches since 1970; and some Lutheran and Catholic churches signing the Joint Declaration on the Doctrine of Justification in 1999 to address conflicts at the root of the Protestant Reformation. In 2006, the World Methodist Council, representing all Methodist denominations, adopted the declaration.

Criticism, persecution, and apologetics

Criticism of Christianity and Christians goes back to the Apostolic Age, with the New Testament recording friction between the followers of Jesus and the Pharisees and scribes (e.g. Matthew 15:1-20 and Mark 7:1-23). In the 2nd century, Christianity was criticized by the Jews on various grounds, e.g. that the prophecies of the Hebrew Bible could not have been fulfilled by Jesus, given that he did not have a successful life. Additionally, a sacrifice to remove sins in advance, for everyone or as a human being, did not fit to the Jewish sacrifice ritual; furthermore, God is said to judge people on their deeds instead of their beliefs. One of the first comprehensive attacks on Christianity came from the Greek philosopher Celsus, who wrote The True Word, a polemic criticizing Christians as being unprofitable members of society. In response, the church father Origen published his treatise Contra Celsum, or Against Celsus, a seminal work of Christian apologetics, which systematically addressed Celsus's criticisms and helped bring Christianity a level of academic respectability.

By the 3rd century, criticism of Christianity had mounted. Wild rumors about Christians were widely circulated, claiming that they were atheists and that, as part of their rituals, they devoured human infants and engaged in incestuous orgies. The Neoplatonist philosopher Porphyry wrote the fifteen-volume Adversus Christianos as a comprehensive attack on Christianity, in part building on the teachings of Plotinus.

By the 12th century, the Mishneh Torah (i.e., Rabbi Moses Maimonides) was criticizing Christianity on the grounds of idol worship, in that Christians attributed divinity to Jesus, who had a physical body. In the 19th century, Nietzsche began to write a series of polemics on the "unnatural" teachings of Christianity (e.g. sexual abstinence), and continued his criticism of Christianity to the end of his life. In the 20th century, the philosopher Bertrand Russell expressed his criticism of Christianity in Why I Am Not a Christian, formulating his rejection of Christianity in the setting of logical arguments.

Criticism of Christianity continues to date, e.g. Jewish and Muslim theologians criticize the doctrine of the Trinity held by most Christians, stating that this doctrine in effect assumes that there are three gods, running against the basic tenet of monotheism. New Testament scholar Robert M. Price has outlined the possibility that some Bible stories are based partly on myth in The Christ Myth Theory and its problems.

Persecution

Christians are one of the most persecuted religious group in the world, especially in the Middle-East, North Africa and South and East Asia. In 2017, Open Doors estimated approximately 260 million Christians are subjected annually to "high, very high, or extreme persecution" with North Korea considered the most hazardous nation for Christians. In 2019, a report commissioned by the United Kingdom's Secretary of State of the Foreign and Commonwealth Office (FCO) to investigate global persecution of Christians found persecution has increased, and is highest in the Middle East, North Africa, India, China, North Korea, and Latin America,[clarification needed ] among others, and that it is global and not limited to Islamic states. This investigation found that approximately 80% of persecuted believers worldwide are Christians.

Apologetics

Christian apologetics aims to present a rational basis for Christianity. The word "apologetic" (Greek: ἀπολογητικός apologētikos) comes from the Greek verb ἀπολογέομαι apologeomai, meaning "(I) speak in defense of". Christian apologetics has taken many forms over the centuries, starting with Paul the Apostle. The philosopher Thomas Aquinas presented five arguments for God's existence in the Summa Theologica, while his Summa contra Gentiles was a major apologetic work. Another famous apologist, G. K. Chesterton, wrote in the early twentieth century about the benefits of religion and, specifically, Christianity. Famous for his use of paradox, Chesterton explained that while Christianity had the most mysteries, it was the most practical religion. He pointed to the advance of Christian civilizations as proof of its practicality. The physicist and priest John Polkinghorne, in his Questions of Truth, discusses the subject of religion and science, a topic that other Christian apologists such as Ravi Zacharias, John Lennox, and William Lane Craig have engaged, with the latter two men opining that the inflationary Big Bang model is evidence for the existence of God. Creationist apologetics is apologetics that aims to defend creationism.

1. It appears in the Acts of the Apostles, ^ Acts 9:2, Acts 19:9 and Acts 19:23). Some English translations of the New Testament capitalize 'the Way' (e.g. the New King James Version and the English Standard Version), indicating that this was how 'the new religion seemed then to be designated' whereas others treat the phrase as indicative-'the way', 'that way' or 'the way of the Lord'. The Syriac version reads, "the way of God" and the Vulgate Latin version, "the way of the Lord".

2. ^ Frequently a distinction is made between "liturgical" and "non-liturgical" churches based on how elaborate or antiquated the worship; in this usage, churches whose services are unscripted or improvised are described as "non-liturgical".

3. Often these are arranged on an ^ annual cycle, using a book called a lectionary.

4. ^ Iesous Christos Theou Hyios Soter may be a more complete transliteration; in Koine Greek, the daseia or spiritus asper had largely ceased being pronounced and was not-commonly-marked in the majuscule script of the time.

5. ^ A flexible term, defined as all forms of Protestantism with the notable exception of the historical denominations deriving directly from the Protestant Reformation.

6. The first Nondenominational Christian churches which emerged through the ^ Stone-Campbell Restoration Movement are tied to associations such as the Churches of Christ or the Christian Church (Disciples of Christ).

References

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Christianity is an Abrahamic monotheistic religion based on the life and teachings of Jesus of Nazareth. It is the world's largest religion, with about 2.5 billion followers.

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 belief: Treat others the way you want to be treated

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 belief: Treat others the way you want to be treated

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stress basic values common to all religions, secretary-general ...

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