Aztecs forms an alliance with the neighboring cites Texcoco and Tlacopan
Period: 1486 to 1487
Under the rule of Ahuitzotl the Aztecs go on to sacrifice over 20,000 prisoners to the gods
1502
The new leader, Montezuma ||, goes into power and the empire has reached its greatest extent.
Feb 18, 1519
Spanish conquistador Hernán Cortés sets sail with 500 soldiers.
May 18, 1519
Hernán Cortés arrives on the coast of what is now Mexican state of Tabasco. Local Indians give the Spaniards peace offerings.
Nov 8, 1519
Montezuma receives Cortés with great honor, but soon Cortés will take Montezuma captive.
1520
Cortés leaves for a short while leaving Pedro de Alvarado in change. When he gets backs he finds that the Aztecs besieged Pedro after he killed many chiefs.
Jul 7, 1520
When Montezuma dies in Spanish custody Cortés retreats form the capital at night. After 6 days Cortés wins the battle of Otumba over the Aztecs sent in Pursuit
Period: May 22, 1521 to Aug 13, 1521
Cortés mounts an offensive against Tenochtitlán. He defeats Cuitláhuac’s successor marking the end of the Aztec empire.
