the ninth tlatoani or ruler of Tenochtitlan, reigning from 1502 to 1520. The first contact between indigenous civilizations of Mesoamerica and Europeans took place during his reign, and he was killed during the initial stages of the Spanish conquest of Mexico, when conquistador Hernán Cortés and his men fought to escape from the Aztec capital Tenochtitlan. During his reign the Aztec Empire reached its greatest size. Through warfare, Moctezuma expanded the territory as far south as Xoconosco in Chiapas and the Isthmus of Tehuantepec, and incorporated the Zapotec and Yopi people into the empire.
