Outline of Wyoming

The Flag of the State of Wyoming

The Great Seal of the State of Wyoming

The location of the state of Wyoming in the United States of America

The following outline is provided as an overview of and topical guide to the U.S. state of Wyoming:

Wyoming – U.S. state in the mountain region of the Western United States. The western two thirds of the state is covered mostly with the mountain ranges and rangelands in the foothills of the Eastern Rocky Mountains, while the eastern third of the state is high elevation prairie known as the High Plains. Wyoming is the least populous U.S. state, with a U.S. Census population of 563,626 in 2010.

General reference[]

An enlargeable map of the state of Wyoming

Names
- Common name: Wyoming
  - Pronunciation: /waɪˈoʊmɪŋ/ (listen)
- Official name: State of Wyoming
- Abbreviations and name codes
  - Postal symbol: WY
  - ISO 3166-2 code: US-WY
  - Internet second-level domain: .wy.us
- Nicknames
  - Cowboy State
  - Equality State
  - Park State
  - Forever West (On highway welcome signs)
Adjectival: Wyoming
Demonym: Wyomingite

Geography of Wyoming[]

Geography of Wyoming

Wyoming is: a U.S. state, a federal state of the United States of America
Location
- Northern hemisphere
- Western hemisphere
  - Americas
    - North America
      - Anglo America
      - Northern America
        United States of America
        Contiguous United States
        Western United States
        Mountain West United States
        
        Northwestern United States
Population of Wyoming: 563,626 (2010 U.S. Census^[1])
Area of Wyoming:
Atlas of Wyoming

Places in Wyoming[]

Environment of Wyoming[]

Environment of Wyoming

Climate of Wyoming
Geology of Wyoming
- Volcanism of Wyoming
Superfund sites in Wyoming
Wildlife of Wyoming
- Fauna of Wyoming
  - Birds of Wyoming
  - Mammals of Wyoming

Natural geographic features of Wyoming[]

Rivers of Wyoming

Regions of Wyoming[]

Administrative divisions of Wyoming[]

An enlargeable map of the 23 counties of the state of Wyoming

The 23 counties of the state of Wyoming
- Municipalities in Wyoming
  - Cities in Wyoming
    - State capital of Wyoming: Cheyenne
    - Largest city in Wyoming: Cheyenne
    - City nicknames in Wyoming
  - Unincorporated communities in Wyoming
- Census-designated places in Wyoming

Demography of Wyoming[]

Demographics of Wyoming

Government and politics of Wyoming[]

Politics of Wyoming

Form of government: U.S. state government
United States congressional delegations from Wyoming
Wyoming State Capitol
Elections in Wyoming
- Electoral reform in Wyoming
Political party strength in Wyoming

Branches of the government of Wyoming[]

Government of Wyoming

History of Wyoming[]

History of Wyoming

History of Wyoming, by period[]

Prehistory of Wyoming
- Indigenous peoples
French colony of Louisiane east of Continental Divide, 1699–1764
- Treaty of Fontainebleau of 1762
Spanish (though predominantly Francophone) district of Alta Luisiana east of Continental Divide, 1764–1803
- Third Treaty of San Ildefonso of 1800
French district of Haute-Louisiane east of Continental Divide, 1803
- Louisiana Purchase of 1803
Unorganized U.S. territory created by the Louisiana Purchase east of Continental Divide, 1803–1804
District of Louisiana east of Continental Divide, 1804–1805
Territory of Louisiana east of Continental Divide, 1805–1812
Territory of Missouri east of Continental Divide, 1812–1821
- War of 1812, June 18, 1812 – March 23, 1815
  - Treaty of Ghent, December 24, 1814
Oregon Country west of Continental Divide, 1818–1846
- Anglo-American Convention of 1818
- Oregon Trail, 1841–1869
- California Trail, 1841–1869
- Provisional Government of Oregon, 1843–1848
- Oregon Treaty of 1846
Spanish colony of Santa Fé de Nuevo Méjico south of the 42nd parallel north and west of 106°10'42"W, 1598-(1819–1821)
- Adams–Onís Treaty of 1819
- Treaty of Córdoba of 1821
Unorganized Territory east of Continental Divide, 1821–1854
- Treaty of Fort Laramie of 1851
Mexican territory of Santa Fé de Nuevo México south of the 42nd parallel north and west of 106°10'42"W, 1821–1846
- Territorial claims of the Republic of Texas south of the 42nd parallel north between 106°10'42"W and 107°23'33"W, 1836–1845
Mexican–American War, April 25, 1846 – February 2, 1848
- Mormon Trail, 1847–1869
- Treaty of Guadalupe Hidalgo, February 2, 1848
Territory of Oregon, 1848–1859
State of Deseret (extralegal), 1849–1850
Territory of Utah, (1850–1868)-1896
Territory of Washington, 1853-(1859–1863)-1889
Territory of Nebraska, (1854–1863)-1867
- Pony Express, 1860–1861
- American Civil War, April 12, 1861 – May 13, 1865
- First Transcontinental Telegraph completed 1861
Territory of Jefferson (extralegal), 1859–1861
Territory of Dakota, 1861-(1864–1868)-1889
- Red Cloud's War, 1866–1868
Territory of Idaho, (1863–1868)-1890
Territory of Wyoming, 1868–1890
- Treaty of Fort Laramie of 1868
- History of women's suffrage in Wyoming since 1869
- First Transcontinental Railroad completed 1869
- Powell Geographic Expedition of 1869
- Yellowstone National Park designated first United States National Park on March 1, 1872
- Nez Perce War, 1877
State of Wyoming becomes 44th state admitted to the United States of America on July 10, 1890
- Grand Teton National Park established on February 26, 1929