Posting of the Ninety-five Theses

Date: October 31, 1517 • Location: Wittenberg, Germany

This milestone marked the outbreak and beginning of this historic period, which spanned 1517–1648.

Martin Luther posted his Ninety-five Theses onto the door of All Saints' Church in Wittenberg, marking the beginning of the Protestant Reformation.

Martin Luther was a German priest, theologian, author, hymnwriter, professor, and former Augustinian friar. Luther was the seminal figure of the Protestant Reformation, and his theological beliefs form the basis of Lutheranism. He is considered one of the most influential figures in Western and Christian history.