Territorial evolution 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, 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, 1859–1861
• *State of Utah since January 4, 1896