Decline of the Toltecs at Tula

Name: Decline of the Toltecs at Tula
Start: 1000
End: 1150

Type Event Region Mexico Time c. 1000–1150

Around the late 10th to early 11th century, the Toltec capital Tula (Tollan) suffered internal strife, drought, and social unrest, dissolving its heg…

Timeline

1009–1050Tula · HidalgoInfighting within the Toltec ruling group intensified, ritual activity at the Feathered Serpent temple precinct declined, local vassals grew restive, and Tula's suzerainty over the Mesoamerican heartland began to waver.
c. 1100–1150Tula site · HidalgoArchaeological evidence shows that after the central area of Tula was burned, the population moved away; the Toltec empire existed in name only, and the Valley of Mexico and surrounding city-states each went their own way, leaving a power vacuum for the later rise of the Aztecs.

Sources

The Toltecs: Until the Fall of Tula — Nigel Davies (1980)
Tula (archaeological site) https://www.britannica.com/place/Tula-archaeological-site-Mexico