===Recent events===From 1931 until the end of the 20th century, growth of the city spurred the absorption of the municipalities of Ignacio Mariscal, San Felipe Hueyotlipan, Resurreccion, San Jeronimo Caleras, San Miguel Canoa and San Francisco Totimehuacán into the city.
Nemško priseljevanje je bil eden od razlogov, da je Volkswagen kasneje v 20. stoletju zgradil veliko tovarno zunaj mesta.