European Religion - History of Religion
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European Religion

Monks and nuns
Catholic monks and nuns

In 1500 AD, most people in Europe were Christians. A fair number of Europeans were Jewish, and some were Muslims, especially in Eastern Europe. The Christians were split into two big groups - the Orthodox Christians, who mainly lived in Eastern Europe, and the Catholics, who mainly lived in Western Europe.

During the 1500s, the Ottoman Empire conquered much of Eastern Europe, and millions of Orthodox and Catholic people living in Eastern Europe converted from Christianity to Islam.

Martin Luther
Martin Luther in 1526

At the same time, many young people in Western Europe began to try to change Christianity. These young people thought old rich guys had too much power over Catholicism. Like the earlier Francis of Assisi and Jan Hus, these young people didn't like priests telling them what to do. People call this effort the Reformation, because the young people were trying to reform - change - the Catholic Church. The two main leaders of the Reformation were Martin Luther and Calvin. People called their followers Lutherans and Calvinists, but together they were Protestants, because they were protesting. Even the King of England, Henry VIII, became a Protestant in 1534.

beating a protestant
Catholic beating a Protestant in England (Foxe, about 1550 AD)

The Catholics fought back. In the late 1500s and early 1600s, the Catholic rulers of Europe tortured and killed hundreds of thousands of Protestants. Catholic groups like the Jesuits also started a Counter-Reformation, which aimed to fix some of the Catholic Church's problems while still being Catholics. In Germany, this fighting is called the Thirty Years' War.

hugenots kill catholics
Protestants kill Catholics in France (Hubert, about 1607)

But by 1650, the fighting was pretty much over - some people, mainly in northern Europe and especially in England and Germany, were Protestants, and other people, mainly in France, Spain, Italy, and the Austro-Hungarian Empire, were Catholics. Some of these English Protestants - the Puritans and the Quakers - left Europe because of the fighting and settled in North America in the 1600s.

But almost immediately a new reform movement started! We call this one the Enlightenment.

More about the Enlightenment

Bibliography and further reading about European religion:

More about the Enlightenment
Reformation home

Celebrating Black History Month with the pharaoh Hatshepsut, the queen Shanakdakhete, the poet Phillis Wheatley, the medical consultant Onesimus, the freedom fighters Toussaint L'Ouverture, Denmark Vesey, Yaa Asantewaa, and Samora Moises Machel, and the civil rights leader Martin Luther King, Jr.
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Karen Carr is Associate Professor Emerita, Department of History, Portland State University. She holds a doctorate in Classical Art and Archaeology from the University of Michigan. Follow her on Instagram or Twitter.
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