This father of Philip II was the first Hapsburg ruler of Spain.
This ruler established the first professional army in Europe, the tercio. During the War of the League of Cognac, this ruler's armies forced Clement VII to flee by sacking Rome. His forces smashed the forces of Francis I in the Battle of Pavia during the Italian Wars. His grandfather was (*) Maximilian I. He pushed for the reforming Council of Trent, and granted some religious tolerance in the Peace of Augsburg. This father of Philip II was the first Hapsburg ruler of Spain. He called the Diet of Worms. For 10 points, name this Holy Roman Emperor who dealt with the Reformation during his 1519 to 1565 reign.
This ruler established the first professional army in Europe, the tercio.
Charles V, Holy Roman Emperor [or Charles I of Spain; or ]