The 1st Colorado Infantry Regiment (officially the 1st Regiment of Colorado Volunteers) was a

volunteer Volunteering is an elective and freely chosen act of an individual or group giving their time and labor, often for community service. Many volunteers are specifically trained in the areas they work, such as medicine, education, or emergency ...

infantry Infantry, or infantryman are a type of soldier who specialize in ground combat, typically fighting dismounted. Historically the term was used to describe foot soldiers, i.e. those who march and fight on foot. In modern usage, the term broadl ...

regiment A regiment is a military unit. Its role and size varies markedly, depending on the country, military service, service, or administrative corps, specialisation. In Middle Ages, Medieval Europe, the term "regiment" denoted any large body of l ...

of the

United States Army The United States Army (USA) is the primary Land warfare, land service branch of the United States Department of Defense. It is designated as the Army of the United States in the United States Constitution.Article II, section 2, clause 1 of th ...

formed in the

Colorado Territory The Territory of Colorado was an organized incorporated territory of the United States that existed from February 28, 1861, until August 1, 1876, when it was admitted to the Union as the 38th State of Colorado. The territory was organized ...

in 1861 and active in the

American West The Western United States (also called the American West, the Western States, the Far West, the Western territories, and the West) is census regions United States Census Bureau As American settlement in the U.S. expanded westward, the mea ...

in the late 19th century.

History

The regiment was formed shortly after the outbreak of the

American Civil War The American Civil War (April 12, 1861May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States between the Union (American Civil War), Union ("the North") and the Confederate States of A ...

by order of William Gilpin, the first governor of the territory. Recruiters began enlisting men in August 1861, just six months after the organization of the territory. Known as "Gilpin's Pet Lambs" for the involvement of the governor in its formation, the regiment served in the Western Theater, at first serving in various detachments throughout the territory. The regiment's most notable service came in the

New Mexico Campaign The New Mexico campaign was a military operation of the trans-Mississippi theater of the American Civil War from February to April 1862 in which Confederate Brigadier General Henry Hopkins Sibley invaded the northern New Mexico Territory in ...

in the spring of 1862, in which they helped repulse the advance of the

Army of New Mexico The Army of New Mexico, also known as the Sibley Brigade, was a small Confederate field army in the American Civil War. It operated in Confederate Arizona and New Mexico Territory during the New Mexico Campaign in late 1861 and early 1862, before ...

under

Henry Hopkins Sibley Henry Hopkins Sibley (May 25, 1816 – August 23, 1886) was a career officer in the United States Army, who commanded a Confederate cavalry brigade in the Civil War. In 1862, he attempted to forge a supply route from California, in defiance ...

at the battles of Glorieta Pass and Peralta. In November 1862, the unit was reorganized along with Companies C and D of the 2nd Colorado Infantry into the 1st Colorado Cavalry. (This was done since the US War Department believed cavalry would be better in protecting the Western trails and for fighting the various Indian tribes.) The first colonel of the regiment was John P. Slough, replaced in April 1862 by Major

John Chivington John Milton Chivington (January 27, 1821 – October 4, 1894) was a Methodist pastor and Mason who served as a colonel in the United States Volunteers during the New Mexico Campaign of the American Civil War. He led a rear action against a ...

, later chastised for his role as commander of the 3rd Colorado Cavalry in the November 1864

Sand Creek Massacre The Sand Creek massacre (also known as the Chivington massacre, the battle of Sand Creek or the massacre of Cheyenne Indians) was a massacre of Cheyenne and Arapaho people by the U.S. Army in the American Indian Genocide that occurred on No ...

. There is a group of reenactors who portray the First Colorado (Company D) in Denver. The unit celebrated 50 years in 2024.http://www.firstcolorado.org/

References

External links

Colorado.gov website on the regiment
{{Authority control Units and formations of the Union army from Colorado Military units and formations in Colorado 1861 establishments in Colorado Territory Military units and formations established in 1861 Military units and formations disestablished in 1862

History

See also

References

Further reading

External links