Spanish Conquests of Americas By MrSidey Jan 1, 1250 Aztecs settle near Lake Texoco Jan 1, 1325 City of Tenochtitlan is founded by the Aztecs on an island in Lake Texcoco Jan 1, 1350 Causeways and canals are built in Tenochtitlan Jan 1, 1400 Aztecs expand their empire by defeating the Tepanecs Jan 1, 1440 Montezuma I begins his rule Montezuma was the fifth Aztec emperor, king of Tenochtitlan Jan 1, 1492 Columbus "discovers" Americas. Jan 1, 1502 Aztec empire is at its most powerful as Montezuma begins his rule Jan 1, 1506 Columbus dies Jan 1, 1519 Cortes and the Spanish conquistadors arrive at Tenochtitlan Spanish conquerors of Mexico and Peru in the 16th century. Jan 1, 1520 Spanish bring small pox to the "New World"with them, causing an outbreak of the disease Jan 1, 1521 Cortes claims Tenochtitlan for Spain Jan 1, 1522 Tenochtitlan is rebuilt as the capital of 'New Spain', the Spanish colony in the Americas