Tlatoani Acamapichtli dies in Tenochtitlán

1389

The first recorded Aztec huey tlatoani died after establishing hereditary rulership over the island city, leaving behind a system of noble succession through an electoral council of elders. Under his heirs Tenochtitlan would expand from tributary of Azcapotzalco to independent power in the Valley of Mexico and, within a century, the axis of a vast Triple Alliance empire.