quality:corruption
Mesoamerica

In the León area there are ten distinct archeological zones, dating from the pre-classic Mesoamerican period. Most of these are identified with the Chupícuaro culture. By the Classic period, the area was under Teotihuacan and Toltec influence. In the 13th century, the Chichimecas, mostly of the Guamare and Guachichil subgroups, overran the area, migrating from an area of what is now San Luis Potosí. They remained through the Colonial period.