District of Columbia 1st Infantry (Union)

    23 Jul 1861

    District of Columbia 1st Infantry organized at District of Columbia.

    09 Aug 1862

    Assigned to the Division led by Brigadier General Christopher C. Augur.

    Brigadier General Christopher C. Augur

    09 Aug 1862

    Assigned to the Division led by Brigadier General Henry Prince.

    Brigadier General Henry Prince

    09 Aug 1862

    Participated in the Battle of Cedar Mountain at Culpepper County, Virginia.

    The Battle of Cedar Mountain
    The Battle of Cedar Mountain

    Maj. Gen. John Pope was placed in command of the newly-constituted Army of Virginia on June 26th. Pope's orders were to defend Washington DC and Union-held northern Virginia while the Army of the Potomac under Maj. Gen. George B. McClellan battled Robert E. Lee outside of Richmond. When McClellan was defeated at the end of the Seven Days battles less than a week later, Lee turned his attention north toward Pope while McClellan regrouped his army. Pope's three army corps were arrayed in a line from the Blu… Read More

    11 Jul 1864

    Assigned to the Regiment led by Lieutenant Colonel Robert Boyd.

    Lieutenant Colonel Robert Boyd

    11 Jul 1864

    Assigned to the Division led by Brigadier General John P. Slough.

    Brigadier General John P. Slough

    11 Jul 1864

    Participated in the Battle of Fort Stevens at District of Columbia, DC.

    The Battle of Fort Stevens
    The Battle of Fort Stevens

    After his victory over Maj. Gen. Lew Wallace at the Battle of Monocacy in central Maryland on July 9th, Confederate Maj. Gen. Jubal A. Early pressed his advantage and moved south toward the Union capital in Washington, DC. On July 11th, Early's exhausted Confederates reached the outskirts of Washington near Silver Spring. Skirmishers advanced to feel the fortifications that encircled the city, which at the time were manned only by Home Guards, clerks, and convalescent troops. During the night, Union reinfo… Read More

    28 Feb 1865

    District of Columbia 1st Infantry mustered out at District of Columbia.