01-23-2013, 02:12 AM
(01-23-2013, 02:00 AM)Oak Wrote: The southern-western part of Texas where El Paso is I think used to be part of Mexico.
All of it was considered to be part of Mexico before the United States bought a chunk of land that included a portion of northeast Texas. It was not until the 1860's that it was official that the Rio Grande would serve as a border between Texas and Mexico.