Holy Roman Emperor who succeeded his brother Charles V in 1556; King of Bohemia and Hungary from 1526, King of the Germans from 1531. He reformed the German monetary system and reorganized the judicial Aulic council (Reichshofrat). He was the son of Philip the Handsome and grandson of Maximilian I.
The flag is modelled on the Stars and Stripes of the United States' flag. The stripes represent the nine provinces at the time of liberation. Blue and white are the colours of Argentina and also of national hero, José Gervasio Artigas. Effective date: 12 July 1830.