This timeline is a chronology of significant events in the history of the U.S. State of Arizona and the historical area now occupied by the state.
Year
Date
Event
1978
March 4
Arizona Attorney General Bruce Babbitt assumes office as the Governor of the State of Arizona upon the death of Governor Bolin .
1977
October 20
Arizona Secretary of State Wesley Bolin assumes office as the Governor of the State of Arizona upon the resignation of Governor Castro .
1975
January 6
Raúl Héctor Castro assumes office as the Governor of the State of Arizona .
January 3
U.S. President Gerald Ford signs An Act to further protect the outstanding scenic, natural, and scientific values of the Grand Canyon by enlarging the Grand Canyon National Park in the State of Arizona, and for other purposes , annexing Grand Canyon National Monument and Marble Canyon National Monument to Grand Canyon National Park .[ 2] [ 3]
1972
October 21
U.S. President Richard Nixon signs An Act to provide for the establishment of the Hohokam Pima National Monument in the vicinity of the Snaketown archeological site, Arizona, and for other purposes .[ 2] [ 3]
1970
April 1
The 1970 United States Census enumerates the population of the State of Arizona, later determined to be 1,745,944, an increase of 34.1% since the 1960 United States Census . Arizona becomes the 33rd most populous of the 50 U.S. states and gains a 4th Congressional District .
Year
Date
Event
1959
January 5
Paul Fannin assumes office as the Governor of the State of Arizona .
1958
October 23
U.S. President Dwight D. Eisenhower signs An Act to authorize the establishment of the Petrified Forest National Park in the State of Arizona, and for other purposes , creating Petrified Forest National Park from Petrified Forest National Monument .[ 2] [ 3]
1955
January 3
Ernest McFarland assumes office as the Governor of the State of Arizona .
1953
October 23
U.S. President Dwight D. Eisenhower signs Public Land Order 924 abolishing Crook National Forest and transferring its land to Coronado National Forest , Gila National Forest , and Tonto National Forest .[ 5]
January 3
Barry Goldwater assumes office as the junior U.S. senator representing the State of Arizona.
1952
October 23
U.S. President Harry S. Truman signs An Act To amend the Act entitled "An Act to provide for the establishment of the Coronado International Memorial, in the State of Arizona", approved August 18, 1941 , creating Coronado National Memorial .[ 3]
1951
January 1
John Howard Pyle assumes office as the Governor of the State of Arizona .
1950
April 1
The 1950 United States Census enumerates the population of the State of Arizona, later determined to be 749,587, an increase of 50.1% since the 1940 United States Census . Arizona becomes the 37th most populous of the 48 U.S. states .
Year
Date
Event
1909
September 15
U.S. President William Howard Taft issues a proclamation creating Navajo National Monument .[ 2] [ 3]
May 1
U.S. President William Howard Taft appoints Richard Elihu Sloan as the 17th (and last) Governor of the Territory of Arizona .
March 10
The Territory of Arizona creates Greenlee County from a portion of Graham County .[ 4]
March 2
U.S. President Theodore Roosevelt issues Proclamation 864 creating Zuni National Forest .[ 5]
1908
September 15
U.S. President Theodore Roosevelt issues a proclamation creating Tumacacori National Monument .[ 2] [ 3]
July 2
U.S. President Theodore Roosevelt issues Proclamation 909 creating Kaibab National Forest subsuming Grand Canyon National Forest .[ 5]
U.S. President Theodore Roosevelt issues Proclamation 908 (1) creating Coronado National Forest subsuming Dragoon National Forest , Santa Catalina National Forest , and Santa Rita National Forest ; and (2) creating Garces National Forest subsuming Baboquivari National Forest , Huachuca National Forest , and Tumacacori National Forest ; and (3) merging Verde National Forest into Prescott National Forest .[ 5]
U.S. President Theodore Roosevelt issues Proclamation 818 creating Coconino National Forest subsuming San Francisco Mountains National Forest .[ 5]
July 1
U.S. President Theodore Roosevelt issues Proclamation 816 creating Crook National Forest subsuming Mount Graham National Forest .[ 5]
U.S. President Theodore Roosevelt issues Proclamation 876 creating Apache National Forest .[ 5]
U.S. President Theodore Roosevelt issues Proclamation 868 creating Sitgreaves National Forest .[ 5]
January 13
U.S. President Theodore Roosevelt issues Procamation 795 merging Pinal Mountains National Forest into Tonto National Forest .[ 5]
January 11
U.S. President Theodore Roosevelt issues a proclamation creating Grand Canyon National Monument .[ 2] [ 3]
1907
December 30
U.S. President Theodore Roosevelt issues Proclamation 789 creating Verde National Forest .[ 5]
December 19
U.S. President Theodore Roosevelt issues a proclamation creating Tonto National Monument .[ 2] [ 3]
May 25
U.S. President Theodore Roosevelt issues a proclamation creating Dragoon National Forest .[ 5]
1906
December 8
U.S. President Theodore Roosevelt issues proclamations creating Montezuma Castle National Monument and Petrified Forest National Monument , the first National Monuments in Arizona.[ 2] [ 3]
November 7
U.S. President Theodore Roosevelt issues a proclamation creating the Tumacacori Forest Reserve .[ 5]
November 6
U.S. President Theodore Roosevelt issues a proclamation creating the Huachuca Forest Reserve .[ 5]
November 5
U.S. President Theodore Roosevelt issues a proclamation creating the Baboquivari Forest Reserve .[ 5]
August 8
U.S. President Theodore Roosevelt issues a proclamation changing the name of the Grand Cañon Forest Reserve to the Grand Canyon Forest Reserve .[ 5]
June 8
U.S. President Theodore Roosevelt signs An Act For the preservation of American antiquities , also known as the Antiquities Act of 1906 , giving the President of the United States the authority to create national monuments on federal lands to protect significant natural, cultural, or scientific features.[ 10]
1905
October 3
U.S. President Theodore Roosevelt issues a proclamation order creating the Tonto Forest Reserve .[ 5]
March 20
U.S. President Theodore Roosevelt issues a proclamation creating the Pinal Mountains Forest Reserve .[ 5]
March 7
U.S. President Theodore Roosevelt appoints Joseph Henry Kibbey as the 16th Governor of the Territory of Arizona .
1902
July 30
U.S. President Theodore Roosevelt issues Proclamation 33 creating the Chiricahua Forest Reserve .[ 5]
July 22
U.S. President Theodore Roosevelt issues Proclamation 31 creating the Mount Graham Forest Reserve .[ 5]
July 2
U.S. President Theodore Roosevelt issues Proclamation 27 creating the Santa Catalina Forest Reserve .[ 5]
July 1
U.S. President Theodore Roosevelt appoints Alexander Oswald Brodie as the 15th Governor of the Territory of Arizona .
April 11
U.S. President Theodore Roosevelt issues Proclamation 14 creating the Santa Rita Forest Reserve .[ 5]
1900
April 1
The 1900 United States Census enumerates the population of the Territory of Arizona, later determined to be 122,931, an increase of 39.3% since the 1890 United States Census . Arizona becomes the fourth most populous of the five U.S. territories .
Year
Date
Event
1869
July 9
U.S. President Ulysses S. Grant appoints Anson P.K. Safford as the third Governor of the Territory of Arizona .
1867
January 18
The State of Nevada accepts the portion the Territory of Arizona lying west of the 37th meridian west from Washington and the River Colorado of the West . The boundaries of the Territory of Arizona are now the same as the future State of Arizona.
1866
July 9
U.S. President Andrew Johnson appoints Richard Cunningham McCormick as the second Governor of the Territory of Arizona .
1865
December 22
The Territory of Arizona creates Pah-Ute County from a portion of Mohave County .[ 4]
May 9
U.S. President Andrew Johnson proclaims the end of the American Civil War .
1864
November 9
The Territory of Arizona creates four original counties: Mohave County , Pima County , Yavapai County , and Yuma County .[ 4]
1863
December 29
U.S. President Abraham Lincoln appoints John Noble Goodwin as the first Governor of the Territory of Arizona .
February 24
U.S. President Abraham Lincoln signs An Act to provide a temporary Government for the Territory of Arizona, and for other Purposes .[ 12] Territory of Arizona from the portion of the Territory of New Mexico lying west of the 32nd meridian west from Washington (109°02′42.6″W). The Territory of Arizona includes all of the future State of Arizona plus the portion of the present-day State of Nevada lying south of the 37th parallel north.
1862
July 27
The United States Army establishes Fort Bowie near Apache Pass .
July
Texas cavalry retreat to Texas
June 19
U.S. President Abraham Lincoln signs An Act to secure Freedom to all Persons within the Territories of the United States , granting freedom to the slaves in all U.S. territories .
April 15
California cavalry engage Texas cavalry in the Battle of Picacho Pass , the westernmost battle of the American Civil War .
February 28
Texas cavalry occupy Tucson .
February 24
Confederate President Jefferson Davis proclaims that the portion of the Territory of New Mexico lying south of the 34th parallel north is the Confederate Territory of Arizona .
February
The California Column departs Fort Yuma and advances into the Territory of New Mexico.
1861
July 25
Texas cavalry under the command of Lieutenant Colonel John R. Baylor invades the Territory of New Mexico and occupies the town of Mesilla .
April 12
The American Civil War begins with the Battle of Fort Sumter .
March 4
Abraham Lincoln assumes office as the 16th President of the United States .
February 28
U.S. President James Buchanan signs An Act to provide a temporary Government for the Territory of Colorado , creating the free Territory of Colorado . The Territory of Colorado annexes the portion of the Territory of New Mexico lying north of the 37th parallel north . The Territory of New Mexico now includes all of the future states of Arizona and New Mexico plus the portion of the present-day State of Nevada lying south of the 37th parallel north.
February 8
The seven secessionist slave states create the Confederate States of America .
1860
November 6
Abraham Lincoln is elected President of the United States . Seven slave states will secede from the United States of America before February 8, 1861.
April 1
The 1860 United States Census enumerates the population of the Territory of New Mexico, later determined to be 93,516, an increase of 51.9 since the 1850 United States Census . New Mexico becomes the second most populous of the seven U.S. territories .
Year
Date
Event
1858
September
The Overland Mail Company makes Tucson its 3rd division headquarters.
1857
August
The San Antonio–San Diego Mail Line reaches Tucson .
1854
June 8
The Gadsden Purchase goes into effect creating the current United States-Mexico border. The Territory of New Mexico now includes all of the future states of Arizona and New Mexico plus portions of the present-day states Nevada and Colorado .
1852
January 9
The Territory of New Mexico creates nine original counties: Bernalillo County , Doña Ana County , Rio Arriba County , San Miguel County , Santa Ana County , Santa Fe County , Socorro County , Taos County , and Valencia County .Doña Ana County and Socorro County extend into the future State of Arizona. Rio Arriba County , Santa Ana County , and Valencia County extend into the future states of Arizona and Nevada . Taos County extends into the future states of Arizona, Colorado , and Nevada [ 4]
1851
September 18
Colonel Edwin Vose Sumner establishes Fort Defiance , the first United States establishment in the future State of Arizona .
April 5
The State of Deseret dissolves.
1850
September 9
The Territory of New Mexico and the Territory of Utah are established as part of the Compromise of 1850 . U.S. President Millard Fillmore signs An Act proposing to the State of Texas the Establishment of her Northern and Western Boundaries, the Relinquishment by the said State of all Territory claimed by her exterior to said Boundaries, and of all her Claims upon the United States, and to establish a territorial Government for New Mexico . The Territory of New Mexico includes all of the future states of Arizona and New Mexico except the portion that shall be added by the Gadsden Purchase , plus portions of the present-day states of Colorado and Nevada .
June 20
In a failed attempt to organize a slave State of New Mexico, a state constitution is adopted by a vote of 6,771 to 39 and Henry Connelly is elected governor. U.S. military and civilian governor John Munroe refuses to let those elected take office without the express approval of the United States Congress .
April 1
The 1850 United States Census makes the first enumeration of the population of the future Territory of New Mexico , later determined to be 61,547.
History of Arizona
References are included in the linked articles.
^ "19 firefighters working Yarnell Hill Fire confirmed dead" . FOX 10. June 30, 2013. Archived from the original on July 1, 2013. Retrieved June 30, 2013 .^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac "Antiquities Act" . National Park Service . November 16, 2020. Retrieved November 16, 2020 .^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac "Park Anniversaries" . National Park Service . October 30, 2020. Retrieved November 16, 2020 .^ a b c d e f g h i j k l m n o "Arizona: Individual County Chronologies" . Newberry Library . 2007. Retrieved November 17, 2020 .^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac "Establishment and Modification of National Forest Boundaries and National Grasslands" (PDF) . United States Forest Service . 2012. Retrieved November 16, 2020 .^ Sixty-eighth United States Congress (June 2, 1924). "An Act To authorize the Secretary of the Interior to issue certificates of citizenship to Indians" (PDF) . Library of Congress . Retrieved November 16, 2020 .^ Sixty-fourth United States Congress (August 25, 1916). "An Act To establish a National Park Service, and for other purposes" (PDF) . Library of Congress . Retrieved November 16, 2020 .^ William Howard Taft (February 14, 1912). "Proclamation 1180: Admitting Arizona to the Union" . Wikisource . Retrieved November 16, 2020 .^ Sixty-first United States Congress (June 20, 1910). "An Act To enable the people of New Mexico to form a constitution and state government and be admitted into the Union on an equal footing with the original States; and to enable the people of Arizona to form a constitution and state government and be admitted into the Union on an equal footing with the original States" (PDF) . Library of Congress . Retrieved November 16, 2020 .^ Fifty-ninth United States Congress (June 8, 1906). "An Act For the preservation of American antiquities" (PDF) . Library of Congress . Retrieved November 16, 2020 .^ Fifty-first United States Congress (March 3, 1891). "An act to repeal timber-culture laws, and for other purposes" (PDF) . Library of Congress . Retrieved November 16, 2020 .^ Thirty-seventh United States Congress (February 24, 1863). "An Act to provide a temporary Government for the Territory of Arizona, and for other Purposes" . Retrieved November 16, 2009 .^ Federal Writers' Project (1956). "Chronology". Arizona, the Grand Canyon State . American Guide Series (4th ed.). New York: Hastings House. hdl :2027/mdp.39015010341256 .
Territories
South America
New Granada (Colombia , Ecuador , Panama , Venezuela, part of Guyana , a northernmost portion of Brazilian Amazon)Peru (Peru, Acre , Chile )Río de la Plata (Argentina , Paraguay , Charcas (Bolivia), Banda Oriental (Uruguay), Misiones Orientales , Malvinas )
Administration
Organization Law Titles and positions
Administrative subdivisions
34°16′28″N 111°39′37″W / 34.2744°N 111.6602°W / 34.2744; -111.6602 (Geometric center of the State of Arizona )
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