Wikipedia
Tequixquiac
Tequixquiac is the municipality located in Zumpango Region, the northeastern part of the state of Mexico in Mexico, the municipal seat is Santiago Tequixquiac, although both are commonly called only Tequixquiac. The municipality is located at a northern pass leading out of the Valley of Mexico and Mezquital Valley to 84 kilometers north of Mexico City and about 280 km northeast of the state capital of Toluca. The name comes from Nahuatl and means "place of tequesquite waters".
This municipality is knew as Prehistoric art cradle in the Americas by sacrum bone vestige and the fossil material found in this place, also has got a chronology of interesting events in the municipal history.