Four-part Nahua confederation on the southeastern shore of Lake Chalco that fiercely resisted Aztec expansion through decades of 'flower wars' before finally falling to Moctezuma I around 1465.
Conquered by the Aztecs c. 1465 (local rulerships restored in 1486 under Tizoc); allied with Spanish conquistadors in 1519 and was made a Spanish corregimiento by 1533.
The atlas holds 3 border frames for Chalco (Nahua Confederation) — the shape you scrub through changes in 1200 · 1300 · 1390.
The definitive scholarly history of the Chalco confederation, drawing on the Chalco-born native chronicler Chimalpahin's own annals.