Idaho Territory
| Idaho | |||||||||||||||||
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| Organized incorporated territory of the United States | |||||||||||||||||
| 1863–1890 | |||||||||||||||||
Coat of arms of the Idaho Territory (1863–1866)
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Map of Territory of Idaho | |||||||||||||||||
| Capital | Lewiston (1863–1866) Boise (1866–1890) | ||||||||||||||||
| Government | |||||||||||||||||
| • Type | Organized incorporated territory | ||||||||||||||||
| Governor | |||||||||||||||||
• First | William H. Wallace | ||||||||||||||||
• Last | George L. Shoup | ||||||||||||||||
| History | |||||||||||||||||
| 3 March 1863 | |||||||||||||||||
• Montana Territory split off & land ceded to Dakota Territory | May 28, 1864 | ||||||||||||||||
• Wyoming Territory formed | July 25, 1868 | ||||||||||||||||
| 3 July 1890 | |||||||||||||||||
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The Territory of Idaho was an organized incorporated territory of the United States that existed from March 3, 1863, until July 3, 1890, when the final extent of the territory was admitted to the Union as Idaho.