May 30 Spanish explorer Hernando de Soto's expedition of 10 ships and 700 men lands in Florida
Famous Deaths
May 1 Isabella of Portugal, Queen consort of Spain, Queen of the Romans, and Lady of the Netherlands (1526-39), and Holy Roman Empress and Queen of Italy (1530-39), dies at 35
May 7 Ottaviano Petrucci, Italian printer, dies at 73