Cahokia settlement

Timeline

1. 600–900Cahokia · IllinoisPermanent settlements appeared on the east bank of the Mississippi, beginning to build small mounds and plazas; agriculture (maize, squash, etc.) supported slow population growth.
2. c. 1000–1200Cahokia · IllinoisThe settlement expanded into a regional center, Monks Mound (including Monks Mound) was completed, the population surged to tens of thousands, trade networks extended to the Great Lakes and the Gulf of Mexico, and it was at its height in the early 11th century.
3. 1200–1400Cahokia · IllinoisThe population plummeted, large-scale projects ceased, the political center's functions collapsed, and the settlement was largely abandoned around the 14th century, possibly due to climate change, resource depletion, and social conflict.