Missouri Territory
| Territory of Missouri | |||||||||||||||||
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| Organized incorporated territory of United States | |||||||||||||||||
| 1812–1821 | |||||||||||||||||
Map of the Territory of Missouri in 1812 | |||||||||||||||||
| Capital | St. Louis | ||||||||||||||||
| • Type | Organized incorporated territory | ||||||||||||||||
| History | |||||||||||||||||
• Renaming of Louisiana Territory | 4 June 1812 | ||||||||||||||||
• Territory of Arkansas created | March 2, 1819 | ||||||||||||||||
• Missouri statehood | 10 August 1821 | ||||||||||||||||
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The Territory of Missouri was an organized incorporated territory of the United States that existed from June 4, 1812, until August 10, 1821. In 1819, the Territory of Arkansas was created from a portion of its southern area. In 1821, a southeastern portion of the territory was admitted to the Union as the State of Missouri, and the rest became unorganized territory for several years.