The Protestant Reformation began in Wittenberg, Germany, on October 31, 1517, when Martin Luther, a teacher and a monk, published a document he called Disputation on the Power of Indulgences, or 95 Theses. The document was a series of 95 ideas about Christianity that he invited people to debate with him.

When did the Reformation officially begin?

Historians usually date the start of the Protestant Reformation to the 1517 publication of Martin Luther's “95 Theses.” Its ending can be placed anywhere from the 1555 Peace of Augsburg, which allowed for the coexistence of Catholicism and Lutheranism in Germany, to the 1648 Treaty of Westphalia, which ended the Thirty ...

How and why did the Reformation start?

The Reformation began in 1517 when a German monk called Martin Luther protested about the Catholic Church. His followers became known as Protestants. Many people and governments adopted the new Protestant ideas, while others remained faithful to the Catholic Church. This led to a split in the Church.