Outline of Oklahoma

Great Seal of the State of Oklahoma

United States of America

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

Oklahoma – state located in the South Central United States. Oklahoma is the 20th most extensive and the 28th most populous of the 50 United States. The state's name is derived from the Choctaw words okla and humma, meaning "red people". On November 16, 1907, Oklahoma became the 46th state to enter the union. Its residents are known as Oklahomans or, informally "Okies", and its capital and largest city is Oklahoma City. A major producer of natural gas, oil, and agricultural products, Oklahoma relies on an economic base of aviation, energy, telecommunications, and biotechnology.

General reference

state of Oklahoma

Names
Common name: Oklahoma
Pronunciation: /ˌoʊkləˈhoʊmə/ [1]

State of Oklahoma

Abbreviations and name codes
Postal symbol
: OK

US-OK

.ok.us

Nicknames
Native America (currently used on license plates)

Land of the Red Man

Sooner State[2]
Adjectival: Oklahoma

Demonyms
:
Oklahoman

Sooner
(historic)

Boomer (historic)

Okie (archaic)

Geography of Oklahoma

Oklahoma is: 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
        Southwestern United States
        
        Southern United States
        South Central United States
Population of Oklahoma: 3,751,351 (2010 U.S. Census^[3])
Area of Oklahoma:
Atlas of Oklahoma

Places in Oklahoma

Historic places in Oklahoma
- Abandoned communities in Oklahoma
  - Ghost towns in Oklahoma
- National Historic Landmarks in Oklahoma
- National Register of Historic Places listings in Oklahoma
  - Bridges on the National Register of Historic Places in Oklahoma
National Natural Landmarks in Oklahoma
National parks in Oklahoma
State parks in Oklahoma

Environment of Oklahoma

Climate of Oklahoma
Geology of Oklahoma
Superfund sites in Oklahoma
Wildlife of Oklahoma
- Fauna of Oklahoma
  - Birds of Oklahoma
  - Reptiles
    - Snakes of Oklahoma

Natural geographic features of Oklahoma

Lakes of Oklahoma
Rivers of Oklahoma

Regions of Oklahoma

Central Oklahoma
Eastern Oklahoma
Northern Oklahoma
- Northeastern Oklahoma
- Northwestern Oklahoma
Southern Oklahoma
- Southeastern Oklahoma
- Southwestern Oklahoma
Western Oklahoma

Administrative divisions of Oklahoma

state of Oklahoma

The 77 counties of the state of Oklahoma
- Municipalities in Oklahoma
  - Cities in Oklahoma
    - State capital of Oklahoma: Oklahoma City
    - City nicknames in Oklahoma
  - Towns in Oklahoma
  - Unincorporated communities in Oklahoma
- Census-designated places in Oklahoma

Demography of Oklahoma

Demographics of Oklahoma

Government and politics of Oklahoma

Politics of Oklahoma

Form of government: U.S. state government

United States congressional delegations from Oklahoma
Oklahoma State Capitol
Elections in Oklahoma
Political party strength in Oklahoma

Military in Oklahoma

History of Oklahoma

History of Oklahoma, by period

broken anchor
]
Santa Fé de Nuevo Méjico
, 1598–1821
French colony of Louisiane, 1699–1764
- Treaty of Fontainebleau of 1762
Francophone) district of Alta Luisiana
, 1764–1803
- Third Treaty of San Ildefonso of 1800
French district of Haute-Louisiane, 1803
- Louisiana Purchase of 1803
Unorganized U.S. territory created by the Louisiana Purchase, 1803–1804
District of Louisiana, 1804–1805
Territory of Louisiana
, 1805–1812
Territory of Missouri
, (1812–1819)–1821
- War of 1812, June 18, 1812 – March 23, 1815
  - Treaty of Ghent, December 24, 1814
- Adams–Onis Treaty
  of 1819
Territory of Arkansaw
, (1819–1828)–1836
Santa Fé de Nuevo México
, 1821–1848
- Cimarron Cutoff of the Santa Fe Trail
  , 1826–1880
- Mexican–American War, 1846–1848
  - Treaty of Guadalupe Hidalgo of 1848
Indian territory
, 1824–1907
- Indian Removal Act of 1830
  - Trail of Tears, 1830–1838
- Indian Intercourse Act
  of 1834
- Quapaw Indian Agency administered lands 1836–1890
- Mexican–American War, April 25, 1846 – February 2, 1848
  - Treaty of Guadalupe Hidalgo, February 2, 1848
- American Civil War, April 12, 1861 – May 13, 1865
  - Indian territory in the American Civil War
    - Border territory
      , 1861–1865
    - Price's Raid
      , September 27 – December 2, 1864
- Southern Treaty Commission, 1865–1869
- Dawes Act, February 8, 1887
No Man's Land
, 1848–1890
- Compromise of 1850
- Comanche Campaign
  , 1868–1874
- Cimarron Territory
  , 1886–1890
- Unassigned Lands 1862–1890
Oklahoma Organic Act
, 1890
- Territory of Oklahoma
  , 1890–1907
Spanish–American War, April 25 – August 12, 1898
Enabling Act of 1906 providing conditions for Oklahoma Statehood
United States of America
on November 16, 1907
- Oklahoma City bombing, April 19, 1995

History of Oklahoma, by region

By city
By county
- History of Adair County, Oklahoma
- History of Beckham County, Oklahoma
- History of Cotton County, Oklahoma
- History of Custer County, Oklahoma
- History of Grant County, Oklahoma
- History of Greer County, Oklahoma
- History of Harmon County, Oklahoma
- History of Jackson County, Oklahoma
- History of Oklahoma County, Oklahoma
- History of Okmulgee County, Oklahoma
- History of Pittsburg County, Oklahoma
- History of Pushmataha County, Oklahoma
- History of Roger Mills County, Oklahoma
- History of Sequoyah County, Oklahoma
Other
- History of the Oklahoma Panhandle