In the classification of the archaeology of the Americas, the Post-Classic stage is a term applied to some pre-Columbian cultures, typically ending with local contact with Europeans.
[1] Cultures of the Post-Classic Stage are defined distinctly by possessing developed metallurgy.
Social organization is supposed to involve complex urbanism and militarism.
Ideologically, Post-Classic cultures are described as showing a tendency towards the secularization of society.
[2] Post-classic Mesoamerica runs from about 900 to 1519 AD, and includes the following cultures: Aztec, Tarascans, Mixtec, Totonac, Pipil, Itzá, Kowoj, K'iche', Kaqchikel, Poqomam, Mam.