Events in History May 6 Spanish and German Imperial troops sack Rome, ending the Renaissance May 16 Florence becomes a republic May 17 Pánfilo de Narváez departs Spain to explore Florida with 600 men - by 1536 only 4 survive May 30 University of Marburg (Germany) founded Birthdays in History May 21 Philip II, King of Spain (1556-98) and Portugal (1580-98), born in Valladolid, Spain (d. 1598) Deaths in History May 6 Karel van Bourbon, military governor (Lombardije), dies at 37 1526 On This Day in History 1528