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Augustus, (also called Octavian) Was a emperor who knew that nobody rulers. He tried to convince people that he was powerless to the senate, but he was actually the supreme ruler. He was said to be a brilliant politician, though.

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Nero was a very corrupted man, Who might've killed a few of his family members.(how did this guy become emperor?)

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1. cruel ruler
2.  had  Christians be killed
3.committed suicide
Constantine
1.know as Constantine the Great.
2.was a Christian
3.Brought the eastern and western Empires together.

same
1. both had to do something with chirstions.
2, both ruled Rome at some point

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The history of Rome includes the history of the city of Rome as well as the civilisation of ancient Rome. Roman history has been influential on the modern world, especially in the history of the Catholic Church, and Roman law has influenced many modern legal systems. Roman history can be divided into the following periods:

Pre-historical and early Rome, covering Rome's earliest inhabitants and the legend of its founding by Romulus

The period of Etruscan dominance and the Regal Period, in which according to tradition, Romulus was the first of seven kings

The Roman Republic, which commenced in 509 BC when kings were replaced with rule by elected senators. The period was marked by vast expansion of Roman territory. During the 5th century BC, Rome gained regional dominance in Latium. With the Punic Wars from 264 to 146 BC, Ancient Rome gained dominance over the Western Mediterranean, displacing Carthage as the dominant regional power.

The Roman Empire followed the Republic, which waned with the rise of Julius Caesar, and by all measures concluded after a period of civil war and the victory of Caesar's adopted son, Octavian, in 27 BC over Mark Antony. With the collapse of the Western Roman Empire, Rome's power declined, and it eventually became part of the Eastern Roman Empire, as the Duchy of Rome until the 8th century. At this time, the city was reduced to a fraction of its former size, being sacked several times in the 5th to 6th centuries, even temporarily depopulated entirely.

Medieval Rome is characterized by a break with Constantinople and the formation of the Papal States. The Papacy struggled to retain influence in the emerging Holy Roman Empire, and during the Saeculum obscurum, the population of Rome fell to as low as 30,000 inhabitants. Following the East-West Schism and the limited success in the Investiture Controversy, the Papacy did gain considerable influence in the High Middle Ages, but with the Avignon Papacy and the Western Schism, the city of Rome was reduced to irrelevance, its population falling below 20,000. Rome's decline into complete irrelevance during the medieval period, with the associated lack of construction activity, assured the survival of very significant ancient Roman material remains in the centre of the city, some abandoned and others continuing in use.

The Roman Renaissance occurred in the 15th century, when Rome replaced Florence as the centre of artistic and cultural influence. The Roman Renaissance was cut short abruptly with the devastation of the city in 1527, but the Papacy reasserted itself in the Counter-Reformation, and the city continued to flourish during the early modern period. Rome was annexed by Napoleon and was part of the First French Empire from 1798 to 1814.

Modern history - the period from the 19th century to today. Rome came under siege again after the Allied invasion of Italy and was bombed several times. It was declared an open city on 14 August 1943. Rome became the capital of the Italian Republic (established in 1946). With a population of 4.4 million (as of 2015; 2.9 million within city limits), it is the largest city in Italy. It is among the largest urban areas of the European Union and classified as a global city.

For more information, and the history of Rome as a complete civilization, see Ancient Rome.

There is archaeological evidence of human occupation of the Rome area from at least 5,000 years, but the dense layer of much younger debris obscures Palaeolithic and Neolithic sites. The evidence suggesting the city's ancient foundation is also obscured by the legend of Rome's beginning involving Romulus and Remus.

The traditional date for the founding of Rome is 753-04-21 BC, following Marcus Terentius Varro, and the city and surrounding region of Latium has continued to be inhabited with little interruption since around that time. Excavations made in 2014 have revealed a wall built long before the city's official founding year. Archaeologists uncovered a stone wall and pieces of pottery dating to the 9th century BC and the beginning of the 8th century BC, and there is evidence of people arriving on the Palatine hill as early as the 10th century BC.

The site of Sant'Omobono Area is crucial for understanding the related processes of monumentalization, urbanization, and state formation in Rome in the late Archaic period. The Sant'Omobono temple site dates to 7th-6th century B.C.E, making these the oldest known temple remains in Rome.

The origin of the city's name is thought to be that of the reputed founder and first ruler, the legendary Romulus. It is said that Romulus and his twin brother Remus, apparent sons of the god Mars and descendants of the Trojan hero Aeneas, were suckled by a she-wolf after being abandoned, then decided to build a city. The brothers argued, Romulus killed Remus, and then named the city Rome after himself. After founding and naming Rome (as the story goes), he permitted men of all classes to come to Rome as citizens, including slaves and freemen without distinction. To provide his citizens with wives, Romulus invited the neighboring tribes to a festival in Rome where he abducted many of their young women (known as The Rape of the Sabine Women). After the ensuing war with the Sabines, Romulus shared the kingship with Sabine King Titus Tatius. Romulus selected 100 of the most noble men to form the Roman senate as an advisory council to the king. These men he called patres, and their descendants became the patricians. He created three centuries of equites: Ramnes (meaning Romans), Tities (after the Sabine king), and Luceres (Etruscans). He also divided the general populace into thirty curiae, named after thirty of the Sabine women who had intervened to end the war between Romulus and Tatius. The curiae formed the voting units in the Comitia Curiata.

Attempts have been made to find a linguistic root for the name Rome. Possibilities include derivation from the Greek Ῥώμη, meaning bravery, courage; possibly the connection is with a root *rum-, "teat", with a theoretical reference to the totem wolf that adopted and suckled the cognately-named twins. The Etruscan name of the city seems to have been Ruma. Compare also Rumon, former name of the Tiber River. Its further etymology remains unknown, as with most Etruscan words. Thomas G. Tucker's Concise Etymological Dictionary of Latin (1931) suggests that the name is most probably from *urobsma (cf. urbs, robur) and otherwise, "but less likely" from *urosma "hill" (cf. Skt. varsman- "height, point," Old Slavonic врьхъ "top, summit", Russ. верх "top; upward direction", Lith. virsus "upper").

City's formation

Rome grew from pastoral settlements on the Palatine Hill and surrounding hills approximately 30 km (19 mi) from the Tyrrhenian Sea on the south side of the Tiber. The Quirinal Hill was probably an outpost for the Sabines, another Italic-speaking people. At this location, the Tiber forms a Z-shaped curve that contains an island where the river can be forded. Because of the river and the ford, Rome was at a crossroads of traffic following the river valley and of traders traveling north and south on the west side of the peninsula.

Archaeological finds have confirmed that there were two fortified settlements in the 8th century BC, in the area of the future Rome: Rumi on the Palatine Hill, and Titientes on the Quirinal Hill, backed by the Luceres living in the nearby woods. These were simply three of numerous Italic-speaking communities that existed in Latium, a plain on the Italian peninsula, by the 1st millennium BC. The origins of the Italic peoples lie in prehistory and are therefore not precisely known, but their Indo-European languages migrated from the east in the second half of the 2nd millennium BC.

The Etruscans ( Etrusci or Tusci in Latin) are attested north of Rome in Etruria (modern northern Lazio, Tuscany and part of Umbria). They founded cities such as Tarquinia, Veii, and Volterra and deeply influenced Roman culture, as clearly shown by the Etruscan origin of some of the mythical Roman kings. Historians have no literature, no texts of religion or philosophy; therefore, much of what is known about this civilisation is derived from grave goods and tomb findings. The behaviour of the Etruscans has led to some confusion. Like Latin, Etruscan is inflected and Hellenised. Like the Indo-Europeans, the Etruscans were patrilineal and patriarchal. Like the Italics, they were war-like. The gladiatorial displays actually developed out of Etruscan funerary customs.

The Greeks had founded many colonies in Southern Italy between 750 and 550 BC (which the Romans later called Magna Graecia), such as Cumae, Naples, Reggio Calabria, Crotone, Sybaris, and Taranto, as well as in the eastern two-thirds of Sicily.

After 650 BC, the Etruscans became dominant in Italy and expanded into north-central Italy. Roman tradition claimed that Rome had been under the control of seven kings from 753 to 509 BC beginning with the mythical Romulus who was said to have founded the city of Rome along with his brother Remus. The last three kings were said to be Etruscan (at least partially)-namely Tarquinius Priscus, Servius Tullius and Tarquinius Superbus. (Priscus is said by the ancient literary sources to be the son of a Greek refugee and an Etruscan mother.) Their names refer to the Etruscan town of Tarquinia.

Livy, Plutarch, Dionysius of Halicarnassus, and others. It claims that Rome was ruled during its first centuries by a succession of seven kings. The traditional chronology, as codified by Varro, allots 243 years for their reigns, an average of almost 35 years, which has been generally discounted by modern scholarship since the work of Barthold Georg Niebuhr. The Gauls destroyed much of Rome's historical records when they sacked the city after the Battle of the Allia in 390 BC (according to Polybius, the battle occurred in 387/6) and what was left was eventually lost to time or theft. With no contemporary records of the kingdom existing, all accounts of the kings must be carefully questioned. The list of kings is also of dubious historical value, though the last-named kings may be historical figures. It is believed by some historians (again, this is disputed) that Rome was under the influence of the Etruscans for about a century. During this period, a bridge was built called the Pons Sublicius to replace the Tiber ford, and the Cloaca Maxima was also built; the Etruscans are said to have been great engineers of this type of structure. From a cultural and technical point of view, Etruscans had arguably the second-greatest impact on Roman development, only surpassed by the Greeks.

Expanding further south, the Etruscans came into direct contact with the Greeks and initially had success in conflicts with the Greek colonists; after which, Etruria went into a decline. Taking advantage of this, Rome rebelled and gained independence from the Etruscans around 500 BC. It also abandoned monarchy in favour of a republican system based on a Senate, composed of the nobles of the city, along with popular assemblies which ensured political participation for most of the freeborn men and elected magistrates annually.

The Etruscans left a lasting influence on Rome. The Romans learned to build temples from them, and the Etruscans may have introduced the worship of a triad of gods - Juno, Minerva, and Jupiter - from the Etruscan gods: Uni, Menrva, and Tinia. However, the influence of Etruscan people in the development of Rome is often overstated. Rome was primarily a Latin city. It never became fully Etruscan. Also, evidence shows that Romans were heavily influenced by the Greek cities in the South, mainly through trade.

Also a formal treaty with the city of Carthage is reported to have been made in the end of the 6th century BC, which defined the spheres of influence of each city and regulated the trade between them.

At the same time, Heraclides states that 4th-century Rome is a Greek city.

Rome's early enemies were the neighbouring hill tribes of the Volscians, the Aequi, and of course the Etruscans. As years passed and military successes increased Roman territory, new adversaries appeared. The fiercest were the Gauls, a loose collective of peoples who controlled much of Northern Europe including what is modern North and Central-East Italy.

In 387 BC, Rome was sacked and burned by the Senones coming from eastern Italy and led by Brennus, who had successfully defeated the Roman army at the Battle of the Allia in Etruria. Multiple contemporary records suggest that the Senones hoped to punish Rome for violating its diplomatic neutrality in Etruria. The Senones marched 130 kilometres (81 mi) to Rome without harming the surrounding countryside; once sacked, the Senones withdrew from Rome. Brennus was defeated by the dictator Furius Camillus at Tusculum soon afterwards.

After that, Rome hastily rebuilt its buildings and went on the offensive, conquering the Etruscans and seizing territory from the Gauls in the north. After 345 BC, Rome pushed south against other Latins. Their main enemy in this quadrant were the fierce Samnites, who outsmarted and trapped the legions in 321 BC at the Battle of Caudine Forks. In spite of these and other temporary setbacks, the Romans advanced steadily. By 290 BC, Rome controlled over half of the Italian peninsula. In the 3rd century BC, Rome brought the Greek poleis in the south under its control as well.

Amidst the never ending wars (from the beginning of the Republic up to the Principate, the doors of the temple of Janus were closed only twice - when they were open it meant that Rome was at war), Rome had to face a severe major social crisis, the Conflict of the Orders, a political struggle between the Plebeians (commoners) and Patricians (aristocrats) of the ancient Roman Republic, in which the Plebeians sought political equality with the Patricians. It played a major role in the development of the Constitution of the Roman Republic. It began in 494 BC, when, while Rome was at war with two neighboring tribes, the Plebeians all left the city (the first Plebeian Secession). The result of this first secession was the creation of the office of Plebeian Tribune, and with it the first acquisition of real power by the Plebeians.

According to tradition, Rome became a republic in 509 BC. However, it took a few centuries for Rome to become the great city of popular imagination. By the 3rd century BC, Rome had become the pre-eminent city of the Italian peninsula. During the Punic Wars between Rome and the great Mediterranean empire of Carthage (264 to 146 BC), Rome's stature increased further as it became the capital of an overseas empire for the first time. Beginning in the 2nd century BC, Rome went through a significant population expansion as Italian farmers, driven from their ancestral farmlands by the advent of massive, slave-operated farms called latifundia, flocked to the city in great numbers. The victory over Carthage in the First Punic War brought the first two provinces outside the Italian peninsula, Sicily and Sardinia. Parts of Spain ( Hispania) followed, and in the beginning of the 2nd century the Romans got involved in the affairs of the Greek world. By then all Hellenistic kingdoms and the Greek city-states were in decline, exhausted from endless civil wars and relying on mercenary troops.

By the end of the Republic, the city of Rome had achieved a grandeur befitting the capital of an empire dominating the whole of the Mediterranean. It was, at the time, the largest city in the world. Estimates of its peak population range from 450,000 to over 3.5 million people with estimates of 1 to 2 million being most popular with historians. This grandeur increased under Augustus, who completed Caesar's projects and added many of his own, such as the Forum of Augustus and the Ara Pacis. He is said to have remarked that he found Rome a city of brick and left it a city of marble ( Urbem latericium invenit, marmoream reliquit). Augustus's successors sought to emulate his success in part by adding their own contributions to the city. In AD 64, during the reign of Nero, the Great Fire of Rome left much of the city destroyed, but in many ways it was used as an excuse for new development.

Rome was a subsidised city at the time, with roughly 15 to 25 percent of its grain supply being paid by the central government. Commerce and industry played a smaller role compared to that of other cities like Alexandria. This meant that Rome had to depend upon goods and production from other parts of the Empire to sustain such a large population. This was mostly paid by taxes that were levied by the Roman government. If it had not been subsidised, Rome would have been significantly smaller.

Rome's population declined after its apex in the 2nd century. At the end of that century, during the reign of Marcus Aurelius, the Antonine Plague killed 2,000 people a day. Marcus Aurelius died in 180, his reign being the last of the " Five Good Emperors" and Pax Romana. His son Commodus, who had been co-emperor since AD 177, assumed full imperial power, which is most generally associated with the gradual decline of the Western Roman Empire. Rome's population was only a fraction of its peak when the Aurelian Wall was completed in the year 273 (in that year its population was only around 500,000). At this time, part of the Roman aristocratic class circulated in Rome following the catastrophic eruption of Mount Vesuvius in 79 AD, which destroyed the city of Pompeii.

Starting in the early 3rd century, matters changed. The " Crisis of the Third Century" defines the disasters and political troubles for the Empire, which nearly collapsed. The new feeling of danger and the menace of barbarian invasions was clearly shown by the decision of Emperor Aurelian, who at year 273 finished encircling the capital itself with a massive wall which had a perimeter that measured close to 20 km (12 mi). Rome formally remained capital of the empire, but emperors spent less and less time there. At the end of 3rd century Diocletian's political reforms, Rome was deprived of its traditional role of administrative capital of the Empire. Later, western emperors ruled from Milan or Ravenna, or cities in Gaul. In 330, Constantine I established a second capital at Constantinople.

Christianity reached Rome during the 1st century AD. For the first two centuries of the Christian era, Imperial authorities largely viewed Christianity simply as a Jewish sect rather than a distinct religion. No emperor issued general laws against the faith or its Church, and persecutions, such as they were, were carried out under the authority of local government officials. A surviving letter from Pliny the Younger, governor of Bythinia, to the emperor Trajan describes his persecution and executions of Christians; Trajan notably responded that Pliny should not seek out Christians nor heed anonymous denunciations, but only punish open Christians who refused to recant.

Suetonius mentions in passing that during the reign of Nero "punishment was inflicted on the Christians, a class of men given to a new and mischievous superstition" (superstitionis novae ac maleficae). He gives no reason for the punishment. Tacitus reports that after the Great Fire of Rome in AD 64, some among the population held Nero responsible and that the emperor attempted to deflect blame onto the Christians. The war against the Jews during Nero's reign, which so destabilised the empire that it led to civil war and Nero's suicide, provided an additional rationale for suppression of this 'Jewish' sect.

Under Theodosius, visits to the pagan temples were forbidden, the eternal fire in the Temple of Vesta in the Roman Forum extinguished, the Vestal Virgins disbanded, auspices and witchcrafting punished. Theodosius refused to restore the Altar of Victory in the Senate House, as asked by remaining pagan Senators.

The Empire's conversion to Christianity made the Bishop of Rome (later called the Pope) the senior religious figure in the Western Empire, as officially stated in 380 by the Edict of Thessalonica. In spite of its increasingly marginal role in the Empire, Rome retained its historic prestige, and this period saw the last wave of construction activity: Constantine's predecessor Maxentius built buildings such as its basilica in the Forum, Constantine himself erected the Arch of Constantine to celebrate his victory over the former, and Diocletian built the greatest baths of all. Constantine was also the first patron of official Christian buildings in the city. He donated the Lateran Palace to the Pope, and built the first great basilica, the old St. Peter's Basilica.

Still Rome remained one of the strongholds of Paganism, led by the aristocrats and senators. However, the new walls did not stop the city being sacked first by Alaric on 24 August 410, by Geiseric on 2 June 455, and even by general Ricimer's unpaid Roman troops (largely composed of barbarians) on 11 July 472. This was the first time in almost 800 years that Rome had fallen to an enemy. The previous sack of Rome had been accomplished by the Gauls under their leader Brennus in 387 BC. The sacking of 410 is seen as a major landmark in the decline and fall of the Western Roman Empire. St. Jerome, living in Bethlehem at the time, wrote that "The City which had taken the whole world was itself taken." These sackings of the city astonished all the Roman world. In any case, the damage caused by the sackings may have been overestimated. The population already started to decline from the late 4th century onward, although around the middle of the fifth century it seems that Rome continued to be the most populous city of the two parts of the Empire, with a population of not less than 650,000 inhabitants. The decline greatly accelerated following the capture of Africa Proconsularis by the Vandals. Many inhabitants now fled as the city no longer could be supplied with grain from Africa from the mid-5th century onward.

At the beginning of the 6th century Rome's population may have been less than 100,000. Many monuments were being destroyed by the citizens themselves, who stripped stones from closed temples and other precious buildings, and even burned statues to make lime for their personal use. In addition, most of the increasing number of churches were built in this way. For example, the first Saint Peter's Basilica was erected using spoils from the abandoned Circus of Nero. This architectural cannibalism was a constant feature of Roman life until the Renaissance. From the 4th century, imperial edicts against stripping of stones and especially marble were common, but the need for their repetition shows that they were ineffective. Sometimes new churches were created by simply taking advantage of early Pagan temples, while sometimes changing the Pagan god or hero to a corresponding Christian saint or martyr. In this way, the Temple of Romulus and Remus became the basilica of the twin saints Cosmas and Damian. Later, the Pantheon, Temple of All Gods, became the church of All Martyrs.

Eastern Roman (Byzantine) restoration

In 480, the last Western Roman emperor, Julius Nepos, was murdered and a Roman general of barbarian origin, Odoacer, declared allegiance to Eastern Roman emperor Zeno. Despite owing nominal allegiance to Constantinople, Odoacer and later the Ostrogoths continued, like the last emperors, to rule Italy as a virtually independent realm from Ravenna. Meanwhile, the Senate, even though long since stripped of wider powers, continued to administer Rome itself, with the Pope usually coming from a senatorial family. This situation continued until Theodahad murdered Amalasuntha, a pro-imperial Gothic queen, and usurped the power in 535. The Eastern Roman emperor, Justinian I (reigned 527-565), used this as a pretext to send forces to Italy under his famed general Belisarius, recapturing the city next year, on December 9, 536 AD. In 537-538, the Eastern Romans successfully defended the city in a year-long siege against the Ostrogoth army, and eventually took Ravenna, too.

Gothic resistance revived however, and on 17 December 546, the Ostrogoths under Totila recaptured and sacked Rome. Belisarius soon recovered the city, but the Ostrogoths retook it in 549. Belisarius was replaced by Narses, who captured Rome from the Ostrogoths for good in 552, ending the so-called Gothic Wars which had devastated much of Italy. The continual war around Rome in the 530s and 540s left it in a state of total disrepair - near-abandoned and desolate with much of its lower-lying parts turned into unhealthy marshes as the drainage systems were neglected and the Tiber's embankments fell into disrepair in the course of the latter half of the 6th century. Here, malaria developed. The aqueducts except for one were not repaired. The population, without imports of grain and oil from Sicily, shrank to less than 50,000 concentrated near the Tiber and around the Campus Martius, abandoning those districts without water supply. There is a legend, significant though untrue, that there was a moment where no one remained living in Rome.[citation needed ]

However, the Pope was now one of the leading religious figures in the entire Byzantine Roman Empire and effectively more powerful locally than either the remaining senators or local Eastern Roman (Byzantine) officials. In practice, local power in Rome devolved to the Pope and, over the next few decades, both much of the remaining possessions of the senatorial aristocracy and the local Byzantine Roman administration in Rome were absorbed by the Church.

The reign of Justinian's nephew and successor Justin II (reigned 565-578) was marked from the Italian point of view by the invasion of the Lombards under Alboin (568). In capturing the regions of Benevento, Lombardy, Piedmont, Spoleto and Tuscany, the invaders effectively restricted Imperial authority to small islands of land surrounding a number of coastal cities, including Ravenna, Naples, Rome and the area of the future Venice. The one inland city continuing under Eastern Roman control was Perugia, which provided a repeatedly threatened overland link between Rome and Ravenna. In 578 and again in 580, the Senate, in some of its last recorded acts, had to ask for the support of Tiberius II Constantine (reigned 578-582) against the approaching Dukes, Faroald I of Spoleto and Zotto of Benevento.

During the 7th century, an influx of both Byzantine Roman officials and churchmen from elsewhere in the empire made both the local lay aristocracy and Church leadership largely Greek speaking. The population of Rome, a magnet for pilgrims, may have increased to 90,000. Eleven of thirteen Popes between 678 and 752 were of Greek or Syrian descent. However, the strong Byzantine Roman cultural influence did not always lead to political harmony between Rome and Constantinople. In the controversy over Monothelitism, popes found themselves under severe pressure (sometimes amounting to physical force) when they failed to keep in step with Constantinople's shifting theological positions. In 653, Pope Martin I was deported to Constantinople and, after a show trial, exiled to the Crimea, where he died.

In 727, Pope Gregory II refused to accept the decrees of Emperor Leo III, which promoted the Emperor's iconoclasm. Leo reacted first by trying in vain to abduct the Pontiff, and then by sending a force of Ravennate troops under the command of the Exarch Paulus, but they were pushed back by the Lombards of Tuscia and Benevento. Byzantine general Eutychius sent west by the Emperor successfully captured Rome and restored it as a part of the empire in 728.

In this period the Lombard kingdom revived under the leadership of King Liutprand. In 730 he razed the countryside of Rome to punish the Pope who had supported the duke of Spoleto. Though still protected by his massive walls, the pope could do little against the Lombard king, who managed to ally himself with the Byzantines. Other protectors were now needed. Gregory III was the first Pope to ask for concrete help from the Frankish Kingdom, then under the command of Charles Martel (739).

Liutprand's successor Aistulf was even more aggressive. He conquered Ferrara and Ravenna, ending the Exarchate of Ravenna. Rome seemed his next victim. In 754, Pope Stephen II went to France to name Pippin the Younger, king of the Franks, as patricius romanorum, i.e. protector of Rome. In the August of that year the King and Pope together crossed back the Alps and defeated Aistulf at Pavia. When Pippin went back to St. Denis however, Aistulf did not keep his promises, and in 756 besieged Rome for 56 days. The Lombards returned north when they heard news of Pippin again moving to Italy. This time he agreed to give the Pope the promised territories, and the Papal States were born.

In 771 the new King of the Lombards, Desiderius, devised a plot to conquer Rome and seize Pope Stephen III during a feigned pilgrimage within its walls. His main ally was one Paulus Afiarta, chief of the Lombard party within the city. He conquered Rome in 772 but angered Charlemagne. However the plan failed, and Stephens' successor, Pope Hadrian I called Charlemagne against Desiderius, who was finally defeated in 773. The Lombard Kingdom was no more, and now Rome entered into the orbit of a new, greater political institution.

Numerous remains from this period, along with a museum devoted to Medieval Rome, can be seen at Crypta Balbi in Rome.

Following the death of Charlemagne, the lack of a figure with equal prestige led the new institution into disagreement. At the same time the universal church of Rome had to face emergence of the lay interests of the City itself, spurred on by the conviction that the Roman people, though impoverished and abased, had again the right to elect the Western Emperor. The famous counterfeit document called the Donation of Constantine, prepared by the Papal notaries, guaranteed to the Pope a dominion stretching from Ravenna to Gaeta. This nominally included the suzerainty over Rome, but this was often highly disputed, and as the centuries passed, only the strongest Popes were to be able to assert it. The main element of weakness of the Papacy within the walls of the city was the continued necessity of the election of new popes, in which the emerging noble families soon managed to insert a leading role for themselves. The neighbouring powers, namely the Duchy of Spoleto and Toscana, and later the Emperors, learned how to take their own advantage of this internal weakness, playing the role of arbiters among the contestants.

Rome was indeed prey of anarchy in this age. The lowest point was touched in 897, when a raging crowd exhumed the corpse of a dead pope, Formosus, and put it on trial.

From 1048 to 1257, the papacy experienced increasing conflict with the leaders and churches of the Holy Roman Empire and the Byzantine (Eastern Roman) Empire. The latter culminated in the East-West Schism, dividing the Catholic Church and Eastern Orthodox Church. From 1257 to 1377, the pope, though the bishop of Rome, resided in Viterbo, Orvieto, and Perugia, and then Avignon. The return of the popes to Rome after the Avignon Papacy was followed by the Western Schism: the division of the western church between two, and for a time three, competing papal claimants.

In 1188 the new communal government was finally recognised by Pope Clement III. The Pope had to make large cash payments to the communal officials, while the 56 senators became papal vassals. The Senate always had problems in the accomplishment of its function, and various changes were tried. Often a single Senator was in charge. This sometimes led to tyrannies, which did not help the stability of the newborn organism.

In 1204 the streets of Rome were again in flames when the struggle between Pope Innocent III's family and its rivals, the powerful Orsini family, led to riots in the city. Many ancient buildings were then destroyed by machines used by the rival bands to besiege their enemies in the innumerable towers and strongholds which were a hallmark of the Middle Age Italian towns.

In that year, during another revolt against the Pope, the Romans headed by senator Luca Savelli sacked the Lateran. Curiously, Savelli was the nephew of Pope Honorius III and father of Honorius IV, but in that age family ties often did not determine one's allegiance.

The successor to Celestine V was a Roman of the Caetani family, Boniface VIII. Entangled in a local feud against the traditional rivals of his family, the Colonna, at the same time he struggled to assure the universal supremacy of the Holy See. In 1300 he launched the first Jubilee and in 1303 founded the first University of Rome. The Jubilee was an important move for Rome, as it further increased its international prestige and, most of all, the city's economy was boosted by the flow of pilgrims. Boniface died in 1303 after the humiliation of the Schiaffo di Anagni ("Slap of Anagni"), which signalled instead the rule of the King of France over the Papacy and marked another period of decline for Rome.

Boniface's successor, Clement V, never entered the city, starting the so-called " Babylonian captivity", the absence of the Popes from their Roman seat in favour of Avignon, which would last for more than 70 years. This situation brought the independence of the local powers, but these were revealed to be largely unstable; and the lack of the holy revenues caused a deep decay of Rome. For more than a century Rome had no new major buildings. Furthermore, many of the monuments of the city, including the main churches, began to fall into ruin.

Cola di Rienzo and the Pope's return to Rome

On 16 October 1367, in reply to the prayers of St Brigid and Petrarca, Urban finally visited for the city. During his presence, Charles IV was again crowned in the city (October 1368). In addition, the Byzantine emperor John V Palaeologus came in Rome to beg for a crusade against the Ottoman Empire, but in vain. However, Urban did not like the unhealthy air of the city, and on 5 September 1370 he sailed again to Avignon. His successor, Gregory XI, officially set the date of his return to Rome at May 1372, but again the French cardinals and the King stopped him.

Only on 17 January 1377, Gregory XI could finally reinstate the Holy See in Rome.

When in 1377 Gregory XI was in fact returned to Rome, he found a city in anarchy because of the struggles between the nobility and the popular faction, and in which his power was now more formal than real. There followed four decades of instability, characterised by the local power struggle between the commune and the papacy, and internationally by the great Western Schism, at the end of which was elected Pope, Martin V. He restored order, laying the foundations of its rebirth.

In 1433 the Duke of Milan, Filippo Maria Visconti signed a peace treaty with Florence and Venice. He then sent the condottieri Niccolò Fortebraccio and Francesco Sforza to harass the Papal States, in vengeance for Eugene IV's support to the two former republics.

Fortebraccio, supported by the Colonna, occupied Tivoli in October 1433 and ravaged Rome's countryside. Despite the concessions made by Eugene to the Visconti, the Milanese soldiers did not stop their destruction. This led the Romans, on 29 May 1434 to institute a Republican government under the Banderesi. Eugene left the city a few days later, during the night of 4 June.

However, the Banderesi proved incapable of governing the city, and their inadequacies and violence soon deprived them of popular support. The city was therefore returned to Eugene by the army of Giovanni Vitelleschi on 26 October 1434. After the death in mysterious circumstances of Vitelleschi, the city came under the control of Ludovico Scarampo, Patriarch of Aquileia. Eugene returned to Rome on 28 September 1443.

The latter half of the 15th century saw the seat of the Italian Renaissance move to Rome from Florence. The Papacy wanted to surpass the grandeur of other Italian cities. To this end the popes created increasingly extravagant churches, bridges, town squares and public spaces, including a new Saint Peter's Basilica, the Sistine Chapel, Ponte Sisto (the first bridge to be built across the Tiber since antiquity), and Piazza Navona. The Popes were also patrons of the arts engaging such artists as Michelangelo, Perugino, Raphael, Ghirlandaio, Luca Signorelli, Botticelli, and Cosimo Rosselli.

On 4 September 1449 Nicholas proclaimed a Jubilee for the following year, which saw a great influx of pilgrims from all Europe. The crowd was so large that in December, on Ponte Sant'Angelo, some 200 people died, crushed underfoot or drowned in the River Tiber. Later that year the Plague reappeared in the city, and Nicholas fled.

However Nicholas brought stability to the temporal power of the Papacy, a power in which the Emperor was to have no part at all. In this way, the coronation and the marriage of Frederick III, Holy Roman Emperor on 16 March 1452, was more a civil ceremony. The Papacy now controlled Rome with a strong hand. A plot by Stefano Porcari, whose aim was the restoration of the Republic, was ruthlessly suppressed on January 1453. Porcari was hanged together with the other plotters, Francesco Gabadeo, Pietro de Monterotondo, Battista Sciarra and Angiolo Ronconi, but the Pope gained a treacherous reputation, as when the execution was beginning he was too drunk to confirm the grace he had previously given to Sciarra and Ronconi.

Nicholas was also actively involved in Rome's urban renewal, in collaboration with Leon Battista Alberti, including the construction of a new St Peter's Basilica.

Nicholas' successor Calixtus III neglected Nicholas's cultural policies, instead devoting himself to his greatest passion, his nephews. The Tuscan Pius II, who took the reins after his death in 1458, was a great Humanist, but did little for Rome. During his reign Lorenzo Valla demonstrated that the Donation of Constantine was a forgery. Pius was the first Pope to use guns, in campaign against the rebel barons Savelli in the neighbourhood of Rome, in 1461. One year later the bringing to Rome of the head of the Apostle St. Andrew produced a great number of pilgrims. The reign of Pope Paul II (1464-1471) was notable only for the reintroduction of the Carnival, which was to become a very popular feast in Rome in the following centuries. In the same year (1468) a plot against the Pope was uncovered, organised by the intellectuals of the Roman Academy founded by Pomponio Leto. The conspirators were sent to Castel Sant'Angelo.

More important by far was the Pontificate of Sixtus IV, considered the first Pope-King of Rome. In order to favour his relative Girolamo Riario, he promoted the unsuccessful Congiura dei Pazzi against the Medici of Florence (26 April 1478) and in Rome fought the Colonna and the Orsini. The personal politics of intrigue and war required much money, but in spite of this Sixtus was a true patron of art in the manner of Nicholas V. He reopened the Academy and reorganised the Collegio degli Abbreviatori, and in 1471 began the construction of the Vatican Library, whose first curator was Platina. The Library was officially founded on 15 June 1475. He restored several churches, including Santa Maria del Popolo, the Aqua Virgo and the Hospital of the Holy Spirit; paved several streets and also built a famous bridge over the Tiber river, which still bears his name. His main building project was the Sistine Chapel in the Vatican Palace. Its decoration called on some of the most renowned artists of the age, including Mino da Fiesole, Sandro Botticelli, Domenico Ghirlandaio, Pietro Perugino, Luca Signorelli and Pinturicchio, and in the 16th century Michelangelo decorated the ceiling with his famous masterpiece, contributing to what became one of the most famous monuments of the world. Sixtus died on 12 August 1484.

The Renaissance had a great impact on Rome's appearance, with works like the by Michelangelo and the frescoes of the Borgia Apartment, all made during Innocent's reign. Rome reached the highest point of splendour under Pope Julius II (1503-1513) and his successors Leo X and Clement VII, both members of the Medici family. During this twenty-year period Rome became the greatest centre of art in the world. The old St. Peter's Basilica was demolished and a new one begun. The city hosted artists like Bramante, who built the Temple of San Pietro in Montorio and planned a great project to renovate the Vatican; Raphael, who in Rome became the most famous painter in Italy, creating frescos in the Cappella Niccolina, the Villa Farnesina, the Raphael's Rooms, and many other famous paintings. Michelangelo began the decoration of the ceiling of the Sistine Chapel and executed the famous statue of Moses for the tomb of Julius. Rome lost in part its religious character, becoming increasingly a true Renaissance city, with a great number of popular feasts, horse races, parties, intrigues and licentious episodes. Its economy was prosperous, with the presence of several Tuscan bankers, including Agostino Chigi, a friend of Raphael and a patron of the arts. Despite his premature death, and to his eternal credit, Raphael also promoted for the first time the preservation of the ancient ruins.

Sack of Rome (1527)

In 1527 the ambiguous policy followed by the second Medici Pope, Pope Clement VII, resulted in the dramatic sack of the city by the unruly Imperial troops of Charles V, Holy Roman Emperor. After the execution of some 1,000 defenders, the pillage began. The city was devastated for several days, many of the citizens were killed or took shelter outside the walls. Of 189 Swiss Guards on duty only 42 survived. The Pope himself was imprisoned for months in Castel Sant'Angelo. The sack marked the end of one of the most splendid eras of modern Rome.

The 1525's Jubilee resulted in a farce, as Martin Luther's claims had spread criticism and even despise against the Pope's greed of money throughout Europe. The prestige of Rome was then challenged by the defections of the churches of Germany and England. Pope Paul III (1534-1549) tried to recover the situation by summoning the Council of Trento, although being, at the same time, the most nepotist Pope of all. He even separated Parma and Piacenza from the Papal States to create an independent duchy for his son Pier Luigi. He continued the patronage of art supporting the Michelangelo's Last Judgment, asking him to renovate the Campidoglio and the ongoing construction of St. Peter's. After the shock of the sack, he also called the brilliant architect Giuliano da Sangallo the Younger to strengthen the walls of the Leonine City.

The need for renovation in the religious customs became evident in the vacancy period after Paulus' death, when the streets of Rome became seat of masked carousels which satirised the Cardinals attending the conclave. His two immediate successors were feeble figures who did nothing to escape the actual Spanish suzerainty over Rome.

Pope Paul IV, elected in 1555, was a member of the anti-Spanish party in the Italian War of 1551-59, but his policy resulted in the Neapolitan troops of the viceroy again besieging Rome in 1556. Paul sued for peace, but had to accept the supremacy of Philip II of Spain. He was one of the most hated Popes of all, and, after his death the raging populace burned the Holy Inquisition's palace and destroyed his marble statue on the Campidoglio.

Pope Paul's Counter-Reformation views are well shown by his order that a central area of Rome, around the Porticus Octaviae, be delimited, creating the famous Roman Ghetto, the very constricted area in which the city's Jews were forced to live in seclusion. They had to remain in the rione Sant'Angelo and locked in at night. The Pope decreed that Jews should wear a distinctive sign, yellow hats for men and veils or shawls for women. Jewish ghettos existed in Europe for the next 315 years.

The pontificate of his successor, Gregory XIII, was considered a failure. As he tried to use milder measures than those of St. Pius, the worst element of the Roman population felt free to scourge again the streets. The French writer and philosopher Montaigne maintained that "life and goods were never as unsure as at the time of Gregorius XIII, perhaps", and that a confraternity even held same-sex marriage in the church of San Giovanni a Porta Latina. The courtesans repressed by Pius had now returned.

Sixtus V was of very different temper. Although short (1585-1590), his reign however remembered as one of the most effective in the modern Rome's history. He was even tougher than Pius V, and was variously nicknamed castigamatti ("punisher of the mad"), papa di ferro ("Iron Pope"), dictator and even, ironically, demon, since no other Pope before him pursued with such a determination the reform of the church and the customs. Sixtus profoundly reorganised the Papal States' administration, and cleaned the streets of Rome of thugs, procurers, dueling and so on. Even the nobles and Cardinals could not consider themselves free from the arms of Sixtus' police. The money from taxes, which were not now wasted in corruption, permitted an ambitious building program. Some ancient aqueducts were restored, and new one, the Acquedotto Felice (from Sixtus' name, Felice Peretti) was constructed. New houses were built in the desolate district of Esquilino, Viminale and Quirinale, while old houses in the centre of the city were destroyed to open new, larger streets. Sixtus's principal aim was to make Rome a better destination for pilgrimages, and the new streets were intended to permit a better access to the major Basilicas. Old obelisks were moved or erected to embellish St. John in Lateran, Santa Maria Maggiore and St. Peter, as well as Piazza del Popolo, in front of Santa Maria del Popolo.

In the 18th century, the Papacy reached the peak of its temporal power, the Papal States including most of Central Italy, including Latium, Umbria, Marche and the Legations of Ravenna, Ferrara and Bologna extending north into the Romagna, as well as the small enclaves of Benevento and Pontecorvo in southern Italy and the larger Comtat Venaissin around Avignon in southern France.

In 1870, the Pope's holdings were left in an uncertain situation when Rome itself was annexed by the Piedmont-led forces which had united the rest of Italy, after a nominal resistance by the papal forces. Between 1861 and 1929 the status of the Pope was referred to as the " Roman Question". The successive Popes were undisturbed in their palace, and certain prerogatives recognized by the Law of Guarantees, including the right to send and receive ambassadors. But the Popes did not recognise the Italian king's right to rule in Rome, and they refused to leave the Vatican compound until the dispute was resolved in 1929. Other states continued to maintain international recognition of the Holy See as a sovereign entity.

Even among those who wanted to see the peninsula unified into one country, different groups could not agree on what form a unified state would take. Vincenzo Gioberti, a Piedmontese priest, had suggested a confederation of Italian states under rulership of the Pope. His book, Of the Moral and Civil Primacy of the Italians, was published in 1843 and created a link between the Papacy and the Risorgimento. Many leading revolutionaries wanted a republic, but eventually it was a king and his chief minister who had the power to unite the Italian states as a monarchy.

In his attempt to unify Northern Italy under the Kingdom of Piedmont-Sardinia, Cavour enacted major industrialisation of the country in order to become the economic leader of Italy. In doing so, he believed that the other states would naturally come under his rule. Next, he sent the army of Piedmont to the Crimean War to join the French and British. Making minor successes in the war against Russia, cordial relations were established between Piedmont-Sardinia and France; a relationship to be exploited in the future.

The return of Pope Pius IX in Rome, with help of French troops, marked the exclusion of Rome from the unification process that was embodied in the Second Italian Independence War and the Mille expedition, after which all the Italian peninsula, except Rome and Venetia, would be unified under the House of Savoy. Garibaldi first attacked Sicily, luckily under the guise of passing British ships and landing with little resistance.

Taking the island, Garibaldi's actions were publicly denounced by Cavour but secretly encouraged via weapons supplements. This policy or real-politik, where the ends justified the means of unification, was continued as Garibaldi faced crossing the Strait of Messina. Cavour privately asked the British navy to allow Garibaldi's troops across the sea while publicly he again, denounced Garibaldi's actions. The maneuver was a success and Garibaldi's military genius carried him on to take the entire kingdom.

Cavour then moved to take Venetia and Lombardy via an alliance with France. The Italians and French together would attack the two states with France getting the city of Nice and the region of Savoy in return. However, the French pulled out of their agreement soon after, enraging Cavour who subsequently resigned. Only Lombardy had been captured at the time.

With French units still stationed at Rome however, Cavour, being called back to office, foresaw a possibility of Garibaldi attacking the Papal States and accidentally disrupting French-Italian relations. The army of Sardinia was therefore mobilised to attack the Papal States but remain outside Rome.

In the Austro-Prussian war however, a deal was made between the new Italy and Prussia, where Italy would attack Austria in return for the region of Venetia. The war was a major success for the Prussians (though the Italians did not win a single battle), and the northern front of Italy was complete.

When Rome was eventually taken, the Italian government reportedly intended to let Pope Pius IX keep the part of Rome, west of the Tiber, known as the Leonine City as a small remaining Papal State, but Pius IX rejected the offer because acceptance would have been an implied endorsement of the legitimacy of the Italian kingdom's rule over his former domain. One week after entering Rome, the Italian troops had taken the entire city save for the Apostolic Palace; the inhabitants of the city then voted to join Italy. On 1 July 1871, Rome became the official capital of united Italy and from then until June 1929 the popes had no temporal power.

Rome became the focus of hopes of Italian reunification when the rest of Italy was reunited under the Kingdom of Italy with a temporary capital at Florence. In 1861, Rome was declared the capital of Italy even though it was still under the control of the Pope. During the 1860s, the last vestiges of the Papal States were under the French protection of Napoleon III. And it was only when this was lifted in 1870, owing to the outbreak of the Franco-Prussian War, that Italian troops were able to capture Rome entering the city through a breach near Porta Pia. Afterwards, Pope Pius IX declared himself as prisoner in the Vatican, and in 1871 the capital of Italy was moved from Florence to Rome.

Soon after World War I, Rome witnessed the rise to power of Italian Fascism guided by Benito Mussolini, who, at the request of King Victor Emmanuel III, marched on the city in 1922, eventually declaring a new Empire and allying Italy with Nazi Germany.

The interwar period saw a rapid growth in the city's population, that surpassed 1,000,000 inhabitants.

During World War II, Rome suffered few bombings (notably at San Lorenzo) and relatively little damage because none of the nations involved wanted to endanger the life of Pope Pius XII in Vatican City. There were some bitter fights between Italian and German troops in the south of the city and even in sight of the Colosseum, shortly after the armistice between Italy and Allied armed forces.[citation needed ] On 4 June 1944 Rome became the first capital city of an Axis nation to fall to the Allies, but was relatively undamaged because on 14 August 1943, a day after the last allied bombing, the Germans declared it an " open city" and withdrew, meaning that the Allies did not have to fight their way in.

In practice Italy made no attempt to interfere with the Holy See within the Vatican walls. However, they confiscated church property in many other places, including the Quirinal Palace, formerly the pope's official residence. Pope Pius IX (1846-78), the last ruler of the Papal States, claimed that after Rome was annexed he was a " Prisoner in the Vatican".

After the American entry, the US opposed such a bombing, fearful of offending Catholic members of its military forces, while the British then supported it. Pius XII similarly advocated for the declaration of Rome as an " open city", but this occurred only on 14 August 1943, after Rome had already been bombed twice. Although the Italians consulted the Vatican on the wording of the open city declaration, the impetus for the change had little to do with the Vatican.

Rome grew substantially after the war, as one of the driving forces behind the " Italian economic miracle" of post-war reconstruction and modernisation. It became a fashionable city in the 1950s and early 1960s, the years of "la dolce vita" ("the sweet life"), with popular classic films such as , , Roman Holiday and La Dolce Vita being filmed in the city's iconic Cinecittà Studios.

A new rising trend in population continued until the mid-1980s, when the commune had more than 2.8 million residents; after that, population started to slowly decline as more residents moved to nearby suburbs. The Rome metropolitan area has about 4.4 million inhabitants as of 2015.

Being the capital city of Italy, all the principal institutions of the nation are located there, including the President; the seat of government with its single Ministeri; the Parliament; the main judicial Courts, and the diplomatic representatives for both Italy and the Vatican City. A number of notable international cultural, scientific and humanitarian institutions are located in Rome, including the German Archaeological Institute, and the FAO.

Rome hosted the 1960 Summer Olympics, using many ancient sites such as the Villa Borghese and the Thermae of Caracalla as venues. For the Olympic Games new structures were created: the Olympic Stadium (which was itself enlarged and renovated to host qualifying rounds and the final match of the 1990 FIFA football World Cup); the Villaggio Olimpico (Olympic Village), created to house the athletes, was later redeveloped as a residential district.

Rome's Leonardo da Vinci-Fiumicino Airport opened in 1961. Tourism brings an average of 7-10 million visitors a year. Rome is the 3rd most visited city in the European Union, after London and Paris. The Colosseum (4 million tourists) and the Vatican Museums (4.2 million tourists) are the 39th and 37th (respectively) most visited places in the world, according to a 2012 study. Many of the ancient monuments of Rome were restored by the Italian state and by the Vatican for the 2000 Jubilee.

Today's Rome is a modern metropolis, yet it reflects the stratification of the epochs of its long history. The historical centre, identified as those parts within the limits of the ancient Imperial walls, contains archaeological remains from Ancient Rome. These are continuously being excavated and opened to the public, such as the Colosseum; the Roman Forum, and the Catacombs. There are areas with remains from Medieval times. There are palaces and artistic treasures from the Renaissance; fountains, churches and palaces from Baroque times. There is art and architecture from the Art Nouveau, Neoclassic, Modernist and Rationalist periods. There are museums, such as the Musei Capitolini, the Vatican Museums, Galleria Borghese.

Parts of the historical centre were reorganised after the 19th-century Italian Unification (1880-1910 - Roma Umbertina). The increase of population caused by the centralisation of the Italian state necessitated new infrastructure and accommodation. There were also substantial alterations and adaptations made during the Fascist period, for example, the creation of the Via dei Fori Imperiali; and the Via della Conciliazione in front of the Vatican. These projects involved the destruction of a large part of the old Borgo neighbourhood. New quartieri were founded, such as EUR ( Esposizione Universale Roma), San Basilio, Garbatella, Cinecittà, Trullo and Quarticciolo. So great was the influx of people that on the coast, there was restructuring of Ostia and the inclusion of bordering villages such as Labaro, Osteria del Curato, Quarto Miglio, Capannelle, Pisana, Torrevecchia, Ottavia, Casalotti.

Bloch, Raymond (1969). The ancient civilization of the Etruscans. New York: Cowles Book.

Boak, Arthur Edward Romilly (1921). A history of Rome to 565 A. D. New York: Macmillan.

Bonfante, Larissa, ed. (1986). Etruscan Life and Afterlife: a Handbook of Etruscan Studies. Warminster: Aris and Phillips.

Bonfante, Larissa (1990). Etruscan. University of California Press. ISBN 0-520-07118-2.

Bonfante, Larissa (2006). Etruscan Inscriptions and Etruscan Religion in The Religion of the Etruscans. Austin: University of Texas Press.

Bonfante, G.; L. Bonfante (2002). The Etruscan Language. An Introduction. Manchester University Press.

Döge, F.U. (2004) "Die militärische und innenpolitische Entwicklung in Italien 1943-1944", Chapter 11, in:Pro- und antifaschistischer Neorealismus. PhD Thesis, Free University, Berlin. 960 p. [in German]

Ekonomou, Andrew J. 2007. Byzantine Rome and the Greek Popes: Eastern influences on Rome and the papacy from Gregory the Great to Zacharias, A.D. 590-752. Lexington Books.

Gregorovius, Ferdinand. History of the City of Rome in the Middle Ages.

Theodor Mommsen The History of Rome, Books I, II, III, IV, V.

(2002) 636pp, at Google Books

J. B. Campbell (2002). War and society in imperial Rome, 31 BC-AD 284. Routledge. ISBN 978-0-415-27881-2. (2002) online edition

Harvard University. Library (1975). Ancient history: classification schedule, classified listing by call number, chronological listing, author and title listing. Harvard University Library : distributed by Harvard University Press. ISBN 978-0-674-03312-2. (1951) online edition

Volume 6, Issue 3, Pages 855-883 Online at Wiley-Interscience; historiography

Adrian Keith Goldsworthy (2009). How Rome fell: death of a superpower. Yale University Press. ISBN 978-0-300-13719-4. (2009), 560pp; by leading scholar excerpt and text search

Grant, Michael. The Roman Emperors: A Biographical Guide to the Rulers of Imperial Rome 31 B.C.-A.D. 476 (1997)

Heather, Peter. The Fall of the Roman Empire: A New History of Rome and the Barbarians (2006) 572pp

Potter, David. The Roman Empire at Bay: AD 180-395 (2004). online edition

Rodgers, Nigel. The Illustrated Encyclopedia of the Roman Empire: A complete history of the rise and fall of the Roman Empire (2008)

Rostovtzeff, M. The Social and Economic History of the Roman Empire (2 vol 1957); famous classic vol 2 online

Starr; Chester G. The Emergence of Rome as Ruler of the Western World (1953) online edition

Ward-Perkins, Bryan. The Fall of Rome and the End of Civilization (2005) 239 pp.

Medieval, Renaissance, early modern

Blunt, Anthony. Guide to Baroque Rome (1982) architecture 1621-1750

Brentano, Robert; Rome before Avignon: A Social History of Thirteenth-Century Rome (1974) online edition

Habel, Dorothy Metzger. The Urban Development of Rome in the Age of Alexander VII (2002) 424 pp. + 223 plates; on 1660s

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The history of Rome includes the history of the city of Rome as well as the civilisation of ancient Rome.

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-Gnaeus Pompeius Magnus, usually known in English as Pompey or Pompey the Great, was a military and political leader of the late Roman Republic.

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-Constantine the Great, also known as Constantine I or Saint Constantine, was a Roman Emperor from 306 to 337 AD. Constantine was the son of Flavius Valerius Constantius, a Roman Army officer, and his consort Helena.

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- are twin brothers, whose story tells the events that led to the founding of the city of Rome and the Roman Kingdom by Romulus. The killing of Remus by his brother, and other tales from their story, have inspired artists throughout the ages.

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-Augustus was the founder of the Roman Principate and considered the first Roman emperor, controlling the Roman Empire from 27 BC until his death in AD 14.

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-Gaius Julius Caesar, known as Julius Caesar, was a Roman politician, general, and notable author of Latin prose. He played a critical role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire.

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-a state in which supreme power is held by the people and their elected representatives, and which has an elected or nominated president rather than a monarch.

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-an extensive group of states or countries under a single supreme authority, formerly especially an emperor or empress.

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-a sovereign ruler of great power and rank, especially one ruling an empire.

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-an artificial channel for conveying water, typically in the form of a bridge across a valley or other gap.

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-a man trained to fight with weapons against other men or wild animals in an arena.

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-an official in ancient Rome chosen by the plebeians to protect their interests.

a Roman legionary officer.

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-In ancient Rome one of the two annually elected chief magistrates who jointly ruled the republic.

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-A language of Ancient Rome and the art of culture.

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-A member of the poor classes or low social classes. A commoner

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-An aristocrat or nobleman.