Organized at Washington, D. C., July 23 to October 25, 1861.
Attached to Provisional Brigade, Casey's Division, Army of the Potomac, to November, 1861.
Robinson's Brigade, Army of the Potomac, to December, 1861.
Railroad guard, Bladensburg, Md., to May, 1862.
Miles' Command, Harper's Ferry, W. Va., to June, 1862.
2nd Brigade, Sigel's Division, Dept. of the Shenandoah, to July, 1862.
2nd Brigade, 2nd Division, 2nd Army Corps, Army of Virginia, to August, 1862.
3rd Brigadof Washington, D. C., to February, 1863.
Slough's Command, Defenses of Alexandria, 22nd Army Corps, Dept. of Washington, to February, 1865.
Duty in the Defenses of Wasnington, D. C., till December, 1861.
Guard R. R. near Bladensburg, Md., till May, 1862.
Ordered to Harper's Ferry, W. Va.
Defence of Harper's Ferry, W. Va., May 24-30.
Operations in the Shenandoah Valley, Va., till August.
Battle of Cedar Mountain August 9.
Pope's Campaign in Northern Virginia Au
18th Army Corps, to December, 1864.
3rd Brigade, 3rd Division, 24th Army Corps, to June, 1865.
Advance on Manassas, Va., July 16-21, 1861.
Battle of Bull Run, Va., July 21.
Duty in the Defenses of Washington, D. C., at Bladensburg and Budd's Ferry, Md., till April, 1861.
Moved to the Peninsula, Va., April 4-8.
Siege of Yorktown April 10-May 4.
Battle of Williamsburg May 5.
Occupation of Williamsburg till May 24.
Battle of Fair Oaks, Seven Pines, May 31-Jue Potomac, to July, 1863.
Concord, N. H., Dept. of the East, to November, 1863.
Marston's Command, Point Lookout, Md., to May, 1864.
1st Brigade, 1st Division, 2nd Army Corps, Army of the Potomac, to June, 1865.
Camp at Bladensburg, Defenses of Washington, D. C., till November 27, 1861.
Expedition to Lower Maryland November 3-11.
At Camp California, near Alexandria, Va., till March 10, 1862.
Scout to Burke's Station January 17, 1862 (Co.
Advance on Mana