Territorial evolution of Arizona
An enlargeable map of the United States after the
Constitution of the United States
came into force on
March 4, 1789.
An enlargeable map of the United States after the
Treaty of Córdoba
was signed on
August 24, 1821.
An enlargeable map of the United States after the
Treaty of Guadalupe Hidalgo
was signed on
February 2, 1848.
An enlargeable map of the United States after the creation of the proposed
State of Deseret
on
July 2, 1849.
An enlargeable map of the United States after the creation of the
Territory of New Mexico
and the
Territory of Utah
on
September 9, 1850.
An enlargeable map of the United States after
Gadsden Purchase
on
December 30, 1853.
An enlargeable map of the United States after the creation of the
Territory of Colorado
on
February 28, 1861.
An enlargeable map of the United States after the creation of the
Confederate Territory of Arizona
on
February 24, 1862.
An enlargeable map of the United States after the creation of the
Territory of Arizona
on
June 19, 1862.
An enlargeable map of the United States after the annexation of northwestern Arizona on
January 18, 1867.
An enlargeable map of the United States after the admission of
Arizona
to the
Union
on
February 14, 1912.
An enlargeable map of the United States as it has been since
Hawaiiʻi
was admitted to the
Union
on
August 21, 1959.
The following timeline traces the
territorial evolution of the
U.S.
State of Arizona
.