Arizona History Timeline Important Dates, Events, and Milestones
Offers a chronological timeline of important dates, events, and milestones in Arizona history.
16th Century
1539 - Father Marcos de Niza, looking for cities of gold, explores Arizona and claims it for Spain.
1540 - Francisco Vasquez de Coronado of Spain came searching for the Seven Cities of Cibola. Coronado never finds the cities said to be made of gold, but claims Arizona as part of New Spain.
17th Century
1692 - Father Kino starts work and founds Guevavi mission.
18th century
1700 - San Xavier del Bac mission (White Dove of the Desert) is founded.
1752 - After many revolts from the Pima and Papago tribes, the first permanent settlement was established in Tubac.
1776 - A Spanish presidio (fort) is built at Tucson.
19th Century
1821 - Mexico gained military control of Arizona. That same year, trappers and traders from the United States came into the area.
1848 - United States won the Mexican War and gained all of Arizona north of the Gila River..
1853 - By Gadsden Purchase, rest of Arizona becomes part of United States.
1854 - Copper is discovered in Arizona.
1857 - First stagecoach in Arizona.
1858 - Gold is discovered on Gila River.
1862 - Chief Cochise and Apaches attack soldiers at Apache Pass, beginning a ten year war with settlers.
1863 - Territory of Arizona is created by Congress, with Prescott as capital.
1864 - Kit Carson captures approximately 7,000 Navajo indians in Canyon de Chelly, forcing them to leave Arizona.
1867- The capital was first established in Prescott, in 1867 changed to Tucson, and was eventually moved in 1889 to Phoenix.
1869 - John Wesley Powell explores the Grand Canyon by boat.
1870 - Population is 9,658
1881 -
- Railroad crosses state.
- October 26 - Earp and three of his brothers, together with Doc Holliday, became famous in the O.K. Corral gunfight in 1881, when they killed several suspected cattle rustlers.
1886 - The great Apache Chief Geronimo surrenders to soldiers on September 4. Indian fighting is over.
1880 - Phoenix becomes capital of Arizona Territory.
1889- The capital moved to Phoenix.
20th Century
1900 - Population is 122,931.
1911 - President Roosevelt dedicated a dam that was named after him. The Coolidge Dam, the Bartlett Dam, and the Hoover Dam followed.
1912 - February 14th, Valentines Day, Arizona becomes the 48th State: Capital is Phoenix, first Governor is George W. P. Hunt.
1917 - United States joined World War I against Germany. The Zimmerman Telegram was one reason we joined the war. It was sent from Germany to Mexico, and said that if Mexico helped Germany fight in the war, Mexico would regain Arizona.
1919 - Grand Canyon National Park is founded.
1930 - The planet Pluto is discovered by Clyde Tombaugh at Lowell Observatory in Flagstaff.
1936 - Hoover Dam is completed.
1940 - Population is 499,261. Arizona is known as Grand Canyon State.
1948 - Indians obtain the right to vote.
1960 - Population has zoomed to 1,302,161.
1963 - United States Supreme Court decision maintains Arizona's right to large amounts of Colorado river water.
1964 - Barry M. Goldwater, Senator from Arizona, runs for president....but loses.
1965 - Judge Lorna Lockwood is elected as Chief Justice of Arizona State Supreme Court.
1968 -
- London Bridge (which was falling down) is moved to Lake Havasu City, Arizona.
- Congress authorizes Central Arizona Project to bring Colorado river water to Phoenix and Tucson.
1974 - US Congress divided the Hopi Reservation between the Hopi and the Navajo Indians.
1975 - Raul H. Castro became the first Mexican American Governor of Arizona.
1981 -
- Population grows to 2,718,425.
- Arizona Justice Sandra Day O'Connor becomes the first woman on the United States Supreme Court.
1985 - Central Arizona Project brought more water from the Colorado River by pipeline to Phoenix, and in 1991 to Tucson.
1988 -
- Governor Evan Mecham becomes the first United States Governor in 59 years to be impeached.
- Acting Governor Rose Mofford sworn in as the 18th Governor on April 5, the first woman in the state to hold the office.
1991 -
- Fife Symington elected Governor in special run-off election.
- Central Arizona Project brought more water from the Colorado River by pipeline to Tucson.
1997 - Secretary of State Jane Hull becomes Governor September 5, 1997, after Fife Symington resigns.
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