3rd Wisconsin Cavalry Regiment
The 3rd Wisconsin Cavalry Regiment was organized at Janesville, Wisconsin, from November 30, 1861, to January 31, 1862, and was mustered in on January 28, 1862, under the command of Colonel William Augustus Barstow.
The regiment was attached to Solomon’s 1st Brigade, Herron’s 1st Division, Army of the Frontier, Department of Missouri, to November 1862. Cavalry Command, Herron’s Division, Army of the Frontier, to June 1863. District of the Frontier, Department of Missouri, to December 1863. 3rd Brigade, District of the Frontier, to January 1864. Unassigned, District of the Frontier, VII Corps, Department of Arkansas, to April 1864. Unassigned, Little Rock, Arkansas, VII Corps, to September 1864. 4th Brigade, Cavalry Division, VII Corps, to February 1865. Cavalry Brigade, Post of Little Rock, VII Corps, to April 1865. Unassigned, 1st Division, VII Corps, to June 1865. District of South Kansas, to September 1865.
All but two companies of the 3rd Wisconsin Cavalry mustered out of service at Fort Leavenworth, Kansas, on September 29, 1865. Company L mustered out on October 23, 1865, and Company L mustered out on October 27, 1865, also at Fort Leavenworth.
