Worms Cathedral
Cathedral in Worms. Charles V summoned Luther to the Diet of Worms in 1521.

Diet of Worms

1521 Diet of Worms
The Diet of Worms was the first diet called by Charles V. It lasted from January 27, 1520 to May 25, 1521. At the diet, Martin Luther was ordered to recant his "heretical" teachings which he refused. The Edict of Worms, signed on May 25, 1521 by Charles V declared Luther a heretic and an outlaw.