- Sep 2 1st Battle of Tehuacingo, San Salvador vs Mexico
Battle of Interest
Sep 5 Second Battle of Tehuacingo, Mexico: Hernán Cortés vs Tlascala Aztecs

Hernán Cortés
Historic Expedition
Sep 20 Spanish expedition led by Portuguese navigator Ferdinand Magellan sets off on the 1st successful circumnavigation of the globe (Magellan killed on route)

Ferdinand Magellan