The following timeline traces the territorial evolution of the U.S. State of Utah.
Timeline Historical territorial claims of Spain in the present State of Utah: Nueva Vizcaya, 1562–1821 Santa Fé de Nuevo Méjico, 1598–1821 Gran Cuenca, 1776–1821 Adams-Onís Treaty of 1819 Treaty of Córdoba of 1821 Historical territorial claims of Mexico in the present State of Utah: Santa Fé de Nuevo México, 1821–1848 Gran Cuenca, 1821–1848 Treaty of Guadalupe Hidalgo of 1848 Historical political divisions of the United States in the present State of Utah: Unorganized territory created by the Treaty of Guadalupe Hidalgo, 1848–1850 Compromise of 1850 State of Deseret (extralegal), 1849–1850 Territory of Utah, 1850–1896 Utah Organic Act, September 9, 1850 Eastern portion of the Utah Territory is incorporated into the new Territory of Colorado, February 28, 1861 Western portion of the Utah Territory is incorporated into the new Territory of Nevada, March 2, 1861 North-eastern portion of the Utah Territory is transferred to the Territory of Nebraska, March 2, 1861 Western 53 miles of the Utah Territory is transferred to the Territory of Nevada, July 14, 1862 Another 53 miles of the Utah Territory is transferred to the State of Nevada, May 5, 1866 North-eastern corner of the Utah Territory is incorporated into the new Territory of Wyoming, July 25, 1868 Utah Enabling Act, July 16, 1894 Territory of Jefferson (extralegal), 1859–1861 State of Utah since January 4, 1896
See also History of Utah Territorial evolution of the United States Utah Transfer of Public Lands Act Territorial evolution of Arizona List of territorial claims and designations in Colorado Territorial evolution of Idaho Territorial evolution of Nevada Territorial evolution of New Mexico Territorial evolution of Wyoming
References
External links State of Utah website Utah History Utah State History