However, the region was claimed by Texas as part of the treaty signed with Mexico and numerous attempts were made by Texas to bolster these claims.
However, the village which consisted of El Paso and the surrounding area remained essentially a self-governed community with both representatives of the Mexican and Texan government negotiating for control until Texas irrevocably took control in 1846.
El Paso del Norte (present-day Ciudad Juárez) was founded on the south bank of the Río Bravo del Norte (Rio Grande), in 1659 by Fray Garcia de San Francisco.
In 1680, the small village of El Paso became the temporary base for Spanish governance of the territory of New Mexico as a result of the Pueblo Revolt, until 1692 when Santa Fe was reconquered and once again became the capital.
The earliest known cultures in the region were maize farmers.
When the Spanish arrived, the Manso, Suma, and Jumano tribes populated the area.
El Paso remained the largest settlement in New Mexico until its cession to the U. in 1848, when Texas took possession of it with the Compromise of 1850.
El Paso County was established in March 1850, with San Elizario as the first county seat.
As of January 2014, El Paso has been ranked the safest large city in the U. for four consecutive years The El Paso region has had human settlement for thousands of years, as evidenced by Folsom points from hunter-gatherers found at Hueco Tanks.
The evidence suggests 10,000 to 12,000 years of human habitation.
Indeed, prostitution and gambling flourished until World War I, when the Department of the Army pressured El Paso authorities to crack down on vice (thus benefitting vice in neighboring Ciudad Juárez). In 1909, William Howard Taft and Porfirio Díaz planned a summit in El Paso, Texas, and Ciudad Juárez, Mexico, an historic first meeting between a U. president and a Mexican president and also the first time an American president would cross the border into Mexico But tensions rose on both sides of the border, including threats of assassination, so the Texas Rangers, 4,000 U. In 1915 and again in 19 various Mexican revolutionary societies planned, staged, and launched violent attacks against both Texans and their political Mexican opponents in El Paso.
With the suppression of the vice trade and in consideration of the city's geographic position, the city continued into developing as a premier manufacturing, transportation, and retail center of the U. This state of affairs eventually led to the vast Plan de San Diego which resulted in the murder of 21 white citizens.