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Territorial evolution of Utah

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An enlargeable map of the United States after the Constitution of the United States was ratified 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 DeseretonJuly 2, 1849.

An enlargeable map of the United States after the creation of the Territory of New Mexico and the Territory of UtahonSeptember 9, 1850.

An enlargeable map of the United States after the creation of the proposed Territory of JeffersononOctober 24, 1859.

An enlargeable map of the United States after the creation of the Territory of ColoradoonFebruary 28, 1861.

An enlargeable map of the United States after the creation of the Territory of NevadaonMarch 2 1861.

An enlargeable map of the United States after the annexation of a western portion of the Territory of UtahonJuly 14 1862.

An enlargeable map of the United States after the annexation of another western portion of the Territory of UtahonMay 5 1866.

An enlargeable map of the United States after the creation of the Territory of WyomingonJuly 25, 1868.

An enlargeable map of the United States after the admission of Utah to the UniononMay 4 1896.

An enlargeable map of the United States as it has been since Hawaiʻi was admitted to the UniononAugust 21, 1959.

The following timeline traces the territorial evolution of the U.S. State of Utah.

Timeline[edit]

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^[1]
  - 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^[2]

Salt Lake City (capital)

Society

Important sites

National monuments	Bears Ears National Monument Cedar Breaks National Monument Dinosaur National Monument Grand Staircase–Escalante National Monument Hovenweep National Monument Natural Bridges National Monument Rainbow Bridge National Monument Timpanogos Cave National Monument
National parks	Arches National Park Bryce Canyon National Park Canyonlands National Park Capitol Reef National Park Zion National Park
National recreation areas	Flaming Gorge National Recreation Area Glen Canyon National Recreation Area
Ski resorts	Alta Ski Area Beaver Mountain Brian Head Ski Resort Brighton Ski Resort Cherry Peak Resort Deer Valley Park City Mountain Resort Powder Mountain Snowbasin Snowbird Ski Resort Solitude Mountain Resort Sundance Resort Wolf Mountain
Other	Bonneville Salt Flats Golden Spike National Historical Park Great Salt Lake Lagoon (amusement park) Temple Square

Flora and fauna

Culture

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