The 3rd District of Columbia Infantry Battalion was an infantry battalion that served in the Union Army between April and July, 1861, during the American Civil War.

Service The battalion was organized at Washington, D.C. Its purpose, until June, was the defence of Washington. During this period the regiment was attached to the Department of Washington under the command of Joseph K. Mansfield."3rd Battalion, District of Columbia Infantry", Battle Unit Details-The Civil War (U.S National Park Service). In June, the regiment formed part of an expedition to Rockville, Maryland, passing through Seneca Mills (on June 10) and reaching Great Falls on July 7. They were then mustered out during July, 1861.Dyer (1959), Volume 3. p. 1,019.

See also

List of District of Columbia Civil War regiments

References

Bibliography Dyer, Frederick H. (1959). A Compendium of the War of the Rebellion. New York and London. Thomas Yoseloff, Publisher. .