Gustav I Vasa ruled which country from 1523 to 1560?

In 1505, Christ's College was founded at which university? On Martin Waldseemüller's 1507 map, the New World is given which name for the first time? In 1521, which Portuguese navigator, leading a Spanish expedition around the world, was killed in the Philippines? In 1521, with help from smallpox, Hernán Cortés and a few hundred Spaniards crushed which empire? In 1527, mutinous troops of which empire's ruler, Charles V, sacked Rome in an event often seen as ending the High Rena… Which conquistador founded Peru's capital, Lima, in 1535? Which state, with a total area of only about 1,545 square miles, is smaller than Florida's Miami-Dade County? Who ruled as Russia's first crowned tsar from 1547 to 1584?