1860
Abraham Lincoln was elected President of the United States.
1861
Apache Indians, led by Cochise, terrorized white settlers. Shots were fired at Fort Sumter, the Civil War began.
1862
The westernmost battle of the Civil War (Arizona's only Civil War battle) was fought near Picacho Peak by Carleton's California Volunteers. Jefferson Davis declares Arizona a confederate territory. Homestead Act offered free land in the west.
1863
President Lincoln creates the Arizona Territory with Prescott as the capital, John N Goodwin was the first territorial governor.
Emancipation Proclamation declared all existing slaves free.
1864
"The Long Walk" begins as most Navajo Indians surrender and are
forced to walk from Fort Defiance to Fort Sumner, New Mexico - a distance of 300 miles. Four counties are established; Mohave, Yavapai, Yuma, and Pima.
1865
Colorado River Indian Reservation was set aside for Mohave and other Indian people. The Thirteenth Amendment abolished slavery. The Civil War ended. President Lincoln was assassinated by John Wilkes Booth.
1866
Juan Candelaria brought the first large flock of sheep into Arizona.
1867
The Territorial Capital moved to Tucson. The first public schools opened in Prescott and Tucson. Alaska was purchased from Russia.
1868
Treaty was agreed upon which established the Navajo Reservation located in northeastern Arizona and adjacent portion of New Mexico. Fourteenth Amendment granted citizenship to Negroes.
1869
Major John Wesley Powell made the first full exploration of the Grand Canyon. First Transcontinental Railroad was completed with the driving of a golden spike.
1870
Silver bonanzas in Pinal Mountains, Tombstone Mountains, the
Bradshaws, and in northern Mohave County. Fifteenth Amendment provided the right to vote regardless of race, color, or previous condition of servitude.
1871
Camp Grant Massacre. Peace policy started in Arizona. Maricopa County is formed.
1873
Cotton is first cultivated by Arizona settlers.
1875
The first big copper mining operation began in Clifton. Pinal County was created. The Territorial Prison opened at Yuma.
1876
Flagstaff was named by a group of immigrants celebrating 4th of July on its site.
Alexander Graham Bell invented the telephone.
1877
Territorial Capital returned to Prescott. The first bank, Bank of Arizona, was established in Prescott.
1879
Apache County was formed. Tombstone was founded.
Thomas Edison invented the first workable incandescent light.
1880
First train, Southern Pacific, arrived in Tucson stimulating the copper industry.
1881
Lumber industry started in Flagstaff. Graham, Cochise, and Gila counties were formed.
A Century of Dishonor, written by Helen Hunt Jackson, led to the formation of the Indian Rights Association. American Federation of Labor (AFL) organized.
1883
Santa Fe Railroad crossed northern Arizona.
1885
Tenth Calvary was stationed at Fort Whipple.
1886
Tempe Normal School (later renamed Arizona State University)
opened in Tempe. Geronimo and his Apache Raiders surrendered to the US Army.
1887
Train robbery - first in Arizona history - nets $20,000.
1888
Copper leads gold and silver in importance in Arizona.
1889
Territorial Capital moves to Phoenix.
1890
Spotted Fever epidemic sweeps Gila River settlement. The Census Bureau declares the end of the American Frontier.
1891
The University of Arizona is established in Tucson. Citrus begins large scale commercial growth. Coconino County is formed.
1892
Stagecoach service is started between Flagstaff and the Grand
Canyon. Henry Ford completed the first gasoline powered car.
1895
Navajo County is created.
1898
Three Regiments of First Volunteer Cavalry contingent is organized in Arizona with Capt. William (Bucky) O'Neil of Prescott commanding the Rough Riders. A Senatorial Committee proposed admission of Arizona and New Mexico as a single state which was opposed by the Arizona people.
1902
Santa Cruz County is formed.
1903
Tonto Basin Dam was the first major irrigation project authorized by the federal government. Wright Brothers accomplish first successful flight. Panama Canal Zone is acquired by the United States.
1907
Anti-Gambling Law passed in Arizona.
1909
Greenlee County is created.
1911
Roosevelt Dam is dedicated by President Theodore Roosevelt.
1912
Arizona became the 48th state on February 14th. George P Hunt was first elected (elected seven times) Governor.
1913
First 8-hour work day for women went into effect. The Sixteenth Amendment created income tax.
1914
Panama Canal opened.
1916
Arizona National Guard was mobilized due to Pancho Villa's earlier raid on Columbus, New Mexico. Pershing's expedition into Mexico started.
1917
The first native Arizonan, Thomas E Campbell, is inaugurated as
Governor. Tenth Cavalry returned to Fort Huachuca after longest march made
into Mexico during the punitive expedition against Pancho Villa. Nation's First Municipal Airport was built at Tucson. United States enters World War I
25,000 men from Arizona entered Federal Services - 3,000 were killed in battle.
1918
George W P Hunt is inaugurated as Governor after a Supreme Court
decision. Armistice signed by Germany ending WWI.
1919
Thomas E Campbell elected Governor. Grand Canyon became a National Park. Eighteenth Amendment established Prohibition.
1920
Phoenix Junior College was established. Nineteenth Amendment gave women the right to vote.
1921
Arizona entered a period of depression - a slump in copper mining.
1923
George W P Hunt inaugurated as Governor.
1924
American Indians were declared citizens.
1927
First regular express and passenger express air service was established.
Charles Lindbergh flew the first solo non-stop Trans-Atlantic flight.
1928
Coolidge Dam was dedicated by President Calvin Coolidge.
1929
John Calhoun Philips inaugurated as Governor. The Great Depressions begins with stock market crash in New
York.
1930
The planet Pluto was discovered at Lowell Observatory in Flagstaff.
1931
George W P Hunt inaugurated as Governor.
1933
Benjamin Baker Moeur elected Governor. President Roosevelt's New Deal to end depression passed Legistlation. Civilian Conservation Corps was established to provide employment and training of young men during the depression years. First Civilian Conservation Corps camps established; developed recreation areas and assisted soil conservation and forest service.
1935
Hoover Dam was completed. Social Security Bill was made law by Congress.
1937
Rawghlie Clement Stanford inaugurated as Governor.
1939
Robert Taylor Jones elected as Governor.
1941
Sidney Preston Osborn became the second native Arizonan elected Governor. Japanese attack on Pearl Harbor bringing the US into WWII.
1945
The first Atomic Bomb was dropped on Hiroshima. United Nations Charter was drawn up and signed in San Francisco.
1946
Arizona Right to Work Law went into effect, industry and manufacturing took on new importance.
1948
Arizona Indians were given the right to vote.
1950
Junior Colleges in Arizona were established. Korean War brought about the first military action of the United
Nations.