page_title: History of Arizona
section_title: Statehood
hierarchical_section_title: History of Arizona / 20th century / Statehood
caption_attribution_description: English: Arizona and New Mexico, represented as boisterous cowboys, try to gain access to the E Pluribus tavern.
context_page_description: The history of Arizona encompasses Spanish, Mexican, and American periods. Arizona was part of the state of Sonora, Mexico from 1822, but the settled population was small. In 1848, under the terms of the Mexican Cession the United States took possession of Arizona above the Gila River after the Mexican War, which became part of the Territory of New Mexico. By means of the Gadsden Purchase, the United States secured the northern part of the state of Sonora, which is now Arizona south of the Gila River in 1854.
  In 1863, Arizona was split off from the Territory of New Mexico to form the Arizona Territory. The remoteness of the region was eased by the arrival of railroads in 1880. Arizona became a state in 1912 but was primarily rural with an economy based on cattle, cotton, citrus, and copper. Dramatic growth came after 1945, as retirees who appreciated the warm weather and low costs emigrated from the northeast.
  Arizona was a part of northern Mexico in the 1840s. It was remote and poor and seldom had outside contacts. The Mexican population, based in Tucson, was a few hundred, in addition to a presidio garrison of about 100 soldiers. The mission was deactivated in 1828.
context_section_description: In 1912, Arizona almost entered the Union as part of New Mexico in a Republican plan to keep control of the U.S. Senate. The plan, while accepted by most in New Mexico, was rejected by most Arizonans. Progressives in Arizona favored inclusion in the state constitution of the initiative, referendum, recall, direct election of senators, woman suffrage, and other reforms. Most of these proposals were included in the constitution that was rejected by Congress.
  A new constitution was offered with the problematic provisions removed.  Congress then voted to approve statehood, and President Taft signed the statehood bill on February 14, 1912. State residents promptly put the provisions back in. Hispanics had little voice or power. Only one of the 53 delegates at the constitutional convention was Hispanic, and he refused to sign. In 1912 women gained suffrage in the state, eight years before the country as a whole.
  Arizona's first Congressman was Carl Hayden (1877–1972). He was the son of a Yankee merchant who had moved to Tempe because he needed dry heat for his bad lungs. Carl attended Stanford University and moved up the political ladder as town councilman, county treasurer, and Maricopa County sheriff, where he nabbed Arizona's last train robbers. He also started building a coalition to develop the state's water resources, a lifelong interest. A liberal Democrat his entire career, Hayden was elected to Congress in 1912 and moved to the Senate in 1926.
  Reelection followed every six years as he advanced toward the chairmanship of the powerful Appropriations Committee, which he reached in 1955. His only difficult campaign came in 1962, at age 85, when he defeated a young conservative. He retired in 1968 after a record 56 years in Congress. His great achievement was his 41-year battle to enact the Central Arizona Project that would provide water for future growth.
caption: 1903 editorial cartoon by Bob Satterfield, depicting Arizona and New Mexico as crazed gunfighters intent on gaining access to the "E pluribus unum tavern".
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