Late Turmoil and Power Decline of the Toltec City of Tula

Timeline

1. c. 1071–1075Pyramid B precinct and colonnade plaza at Tula · HidalgoExcavations show modifications around Pyramid B such as raised walls and narrowed passages, possibly reflecting internal security concerns or elite power reorganization; ritual buildings remained intensively used but maintenance standards declined.
2. c. 1075–1080Residential and workshop areas of the Tula site · HidalgoIn late-period strata, the proportion of imported pottery and greenstone ornaments from the Maya lowlands and the Pacific coast declined, suggesting weakened Toltec control over tribute and trade with neighboring city-states and a rising share of local self-sufficient economies.