San Salvador Atenco is the municipal seat of Atenco, in the Mexican state of Mexico. The name "Atenco" comes from a Nahuatl phrase meaning "place on the edge of water".
Fifteen excavations have been done in this area, uncovering mammoth bones, stone tools and other artifacts showing human habitation from at least 7000 B.C. According to some traditions in the historico-mythical accounts of the 16th century Nahuas, early Nahuatl-speaking groups ("pre-Aztecs", called also Chichimeca) invaded the area from the north around 968 BC. There was supposedly an intermarriage with the last Toltec king Topiltzin. From this lineage came the king Nezahualcóyotl, one of the three founders of the Aztec Triple Alliance. Atenco became subject to Texcoco in 1428.
After the fall of Tenochtitlán to the Spaniards under Hernán Cortés, the Aztecs of this area continued to fight against the Spanish conquest, supporting the lord of Texcoco. However....