The Aztecs, who flourished from 1428 to 1521, were ruled by an alliance of three groups: Mexica, Acolhua, and Tepaneca, and Tenochtitlan was the city built by Mexica on Lake Texcoco. Tenochtitlan at ...

Before their defeat by the Spanish in 1521, the triple alliance ruled Mesoamerica through complex trade networks—and warfare. The Mexica priest Cuauhtlequetzqui points out the place where his people ...