1517Martin Luther disseminates ninety-five theses attacking sale of indulgences and other church practices
1520Reformer Huldrych Zwingli breaks with Rome
1525Peasants' War in German states divides reform movement
1529Lutheran German princes protest condemnation of religious reform by Charles V
1534The Act of Supremacy establishes King Henry VIII as head of the Church of England, severing ties to Rome
1534–1535Anabaptists take over German city of Münster in failed experiment to create a holy community
1541John Calvin establishes himself permanently in Geneva, making that city a model of Christian reform and discipline