Organized at Harrisburg June, 1861.
At Camp Biddle, Greencastle, Pa., July 12-22, 1861.
Moved to Washington, D.C., July 22.
Mustered into United States service July 27, 1861.
Attached to 3rd Brigade, McCall’s Pennsylvania Reserves Division,
Army of the Potomac, to March, 1862.
3rd Brigade, 2nd Division, 1st Army Corps, Army of the Potomac, to April, 1862.
3rd Brigade, McCall’s Division, Dept. of the Rappahannock, to June, 1862.
3rd Brigade, 3rd Division, 5th Army Corps, Army of the Potomac, to July, 1862.
1st Brigade, 3rd Division, 5th Army Corps, to August, 1862.
1st Brigade, 3rd Division, 3rd Army Corps, Army of Virginia, to September, 1862.
1st Brigade, 3rd Division, 1st Army Corps, Army of the Potomac, to February, 1863.
1st Brigade, Pennsylvania Reserve Division, 22nd Corps, Dept. of Washington, to June, 1863.
1st Brigade, 3rd Division, 5th Army Corps, Army of the Potomac, to June, 1864.
