1450?–1486?Purépecha expand toPacific and Aztec border
1451?IroquoisConfederacyfounded
?? 1454–Feb 1519Aztecs fight ritualwars with Tlaxcala
1469–1481Aztec expansion under Axayacatl;opposed by Purépecha
1470Kaqchikel revoltagainst Q’umarkaj
1480?–1510?Colliman repelsPurépecha invasion
1481–1486Tizoc rulesAztec Empire