Trent, Council of. 1545-63. Compiled Missal used by Roman Catholic Church until 1969. Prohibited sale of indulgences. Signals counter-reformation. Luther.

Wittenberg. 1517. Church door on which Luther posted his 95 Theses.

Worms, Diet of. 1521. Called by Holy Roman Emperor Charles V. Lutheranism outlawed. Luther declared heretic, exiled. Reformation.