Colorado Territory created
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The Territory of Colorado was created on February 28, 1861. The territory was formed in response to a massive influx of settlers to the Rocky Mountain region seeking their fortunes during the Pikes Peak Gold Rush. The territory was organized by an act of the Thirty-Sixth US Congress and was signed into law by President James Buchanan. The territorial name and territorial seal were chosen in 1861.
Dates
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U.S. States and Territories, March 2, 1861 to August 1, 1861
