His attempts to fight the Schmalkaldic League ended with the Peace of Augsburg, and his attendants called the Diet of Worms, to which he gave Martin Luther safe passage before hearing and condemning him.
This monarch's troops won victories at Koroni and Patras due to Genoese admiral Andrea Doria, and personally fought alongside Doria at the siege of Tunis. After Pope Clement VII abandoned him and threw the Church's allegiance to enemy Valois monarch Francis I, a rampage by his soldiers caused the 1527 Sack of Rome. His attempts to fight the Schmalkaldic League ended with the Peace of Augsburg, and his attendants called the Diet of Worms, to which he gave Martin Luther safe passage before hearing and condemning him. For 10 points, name this Holy Roman Emperor from the Habsburgs, also Duke of Burgundy, ruler of Austria, and King of Spain.
This monarch's troops won victories at Koroni and Patras due to Genoese admiral Andrea Doria, and personally fought alongside Doria at the siege of Tunis.
{Charles V} (or {Charles I} of {Spain})