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The 30 Years War was a war between Catholics and Protestants during 1618-1648. It began in Bohemia and was ruled by the Hapsburgs. The protestants there received religious toleration.

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When Martin Luther was younger, unlike most, he was able to receive a good education. He went to school to become a lawyer but after certain events he became a monk by the age of 23. He was a dedicated priest of a Roman Catholic Church.

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Martin Luther thought that the Catholic Church needed to be reformed. He wrote the 95 Theses which included the problems he thought the Church had. After finishing the 95 Theses, Martin Luther nailed it to the door of the Castle Church in Wittenberg, Germany.

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After nailing the 95 Theses to the door of a church in Wittenberg, Germany, Martin Luther was asked to recant his ideas by the Catholic Church. He refused and was excommunicated from the church. After his exile Martin Luther went into hiding.

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The Peace of Augsburg happened in 1555. Charles V gave orders to all German princes to arrange a settlement. The princes agreed that all rulers would have the choice to pick what religion they would have in their state.

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The Edict of Nantes was a law signed in 1598 by King Henry IV. It gave freedom of worship to the Huguenots in France. However, it was later revoked in 1685 by King Louis XIV.

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The Council of Trent lasted from 1545 - 1563. Pope Paul III called a council of high church officials. This is where the church officials responded to the issues of Protestantism. In an attempt to restore order, the Catholic Church reestablished that the Bible and Church had religious authority.

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The Society of Jesus was founded in 1540 with the purpose of spreading Catholic beliefs around the world. If someone wanted to join, they would have to undergo years of training and follow a strict code of discipline. They also set up schools that taught Catholic ideology.

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The Roman Inquisition was established in 1542. It was there to strengthen Catholic doctrine. The inquisition was a church that used secret testimony, torture and execution to stamp out heresy.

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John Calvin was a French priest and lawyer. He believed that salvation was gained through faith and that the bible is the only source of religious truth. He also believed in predestination. Predestination is the belief that God alone decides if someone acquires eternal life.

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Calvinism is the product of John Calvin's beliefs and teachings. It is a Protestant Christian system that focuses on God's sovereignty, human depravity, and predestination. Calvinism originated in Switzerland during the reformation.

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Calvinism was a foundation for future Protestant faiths. Some of these faiths include Baptist, Anabaptist, Puritan, Presbyterian and Congregationalist. John Calvin's ideas and beliefs helped cause Protestantism become a major religion in the modern day.

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Indulgences were given by the Catholic Church. People would pay for indulgences because the church said it was a way to be forgiven for their sins. Since so many people bought the indulgences, they were used as a major source of income by the church.