1500's By cphelan Period: Jan 1, 1500 to Dec 31, 1509 1500's Apr 15, 1500 Mexica in Mexico City The Mexica were Mesoamerican tribes known as the Aztec; built Tenochtitlán in present-day Mexico City; advanced society that dominated almost all of central Mexico and became culture and trade hub; warlike and believed in sacrifices Jun 15, 1502 African slaves arrive in Spanish America