1st Colorado Infantry Regiment

1st Colorado Infantry Regiment
National color of the regiment
ActiveAugust 1861 to November 1862
CountryUnited States
AllegianceUnion
BranchInfantry
EngagementsAmerican Civil War

The 1st Colorado Infantry Regiment (officially the 1st Regiment of Colorado Volunteers) was a volunteer infantry regiment of the United States Army formed in the Colorado Territory in 1861 and active in the American West in the late 19th century.