Acamapichtli becomes first tlatoani of TenochtitlanJan 1, 1375Labels: Acamapichtli, TenochtitlanBritannicaTlatoque List
Itzcoatl elected tlatoani; anti-Tepanec revolt beginsJan 1, 1427Labels: Itzcoatl, TepanecItzcoatlBritannica
Third Templo Mayor phase constructed under ItzcoatlJan 1, 1427Labels: Templo Mayor, ItzcoatlTemplo Mayor
Triple Alliance formed after defeat of AzcapotzalcoJan 1, 1428Labels: Triple Alliance, AzcapotzalcoItzcoatlBritannica
Fourth Templo Mayor phase built under Moctezuma I and AxayacatlJan 1, 1440Labels: Templo Mayor, Moctezuma ITemplo Mayor
Templo Mayor rededicated during Ahuitzotl’s reignFeb 19, 1487Labels: Templo Mayor, AhuitzotlMexicolore
Moctezuma II becomes tlatoani of TenochtitlanJan 1, 1502Labels: Moctezuma II, TenochtitlanAHAMoctezuma II
Tóxcatl festival massacre in the Great Temple precinctMay 22, 1520Labels: T xcatl, Great TempleGreat TempleAHA
Spaniards flee Tenochtitlan during La Noche TristeJun 30, 1520Labels: La Noche, SpaniardsBritannicaNoche Triste