Paleo-Indians practiced plant husbandry and hunted game in the Santa Cruz River Valley from 10,000 or earlier BCE.
These people constructed irrigation canals and grew corn, beans, and other crops while gathering wild plants and hunting.
The groups designated as the Hohokam lived in the area from 600 to 1450 CE and are known for their vast irrigation canal systems and their red-on-brown pottery.
[4][5] Jesuit missionary Eusebio Francisco Kino visited the Santa Cruz River valley in 1692, and founded the Mission San Xavier del Bac in 1700 about 7 mi (11 km) upstream from the site of the settlement of Tucson.
Hugo O'Conor, the founding father of the city of Tucson, Arizona authorized the construction of a military fort in that location, Presidio San Agustín del Tucsón, on August 20, 1775 (near the present downtown Pima County Courthouse).
Eventually the town came to be called "Tucson" and became a part of the state of Sonora after Mexico gained independence from the Kingdom of Spain and its Spanish Empire in 1821.
In July 1861, after the American Civil War began, a force of Texan cavalry and Arizonan militia under Lt.
The proposal to organize the territory was passed by the Confederate Congress in early 1862 and proclaimed by President Jefferson Davis on February 14, 1862.
Later in 1862, Baylor was ousted as governor of the territory by Davis, and the Confederate loss at the Battle of Glorieta Pass forced their retreat.
The following month, a small Confederate picket force defeated a Union cavalry patrol north of Tucson at the Battle of Picacho Pass.
During the territorial and early statehood periods, Tucson was Arizona's largest city and commercial and railroad center,[6] while Phoenix was the seat of state government (beginning in 1889) and agriculture.
A fire allowed firemen to discover their identity and the police promptly arrested Harry Pierpont, Charles Makley, Russell Clark, Ed Shouse, and Dillinger.
Tucson's success is the story of city officials and citizens volunteering, organizing, battling other contenders like Livermore, California, and lobbying Congress.
The organization raised thousands of dollars, wrote letters, and joined in numerous celebrations of their culture and their support for Mexican-American servicemen.