Idaho Territory

Idaho
Organized incorporated territory of the United States
1863–1890
Coat of arms of the Idaho Territory (1863–1866) of Idaho Territory
Coat of arms of the Idaho Territory (1863–1866)

Map of Territory of Idaho
CapitalLewiston (1863–1866)
Boise (1866–1890)
History
Government
 • TypeOrganized incorporated territory
Governor 
• First
William H. Wallace
• Last
George L. Shoup
History 
• Split from Dakota, Nebraska, and Washington territories
March 3, 1863
• Montana Territory split off & land ceded to Dakota Territory
May 28, 1864
• Wyoming Territory formed
July 25, 1868
• Statehood
July 3, 1890
Preceded by
Succeeded by
Washington Territory
Dakota Territory
Montana Territory
Dakota Territory
Wyoming Territory
Idaho
Seal of the Idaho Territory, 1863–1866

The Territory of Idaho is a former territory in the United States. It was merged through Oregon and Washington Territory on March 3, 1863 and adopted into the union statehood on July 3, 1890.