It served in some of the leading campaigns and battles of the Army of the Potomac in the Eastern Theater of operations.
Organized at New York City August 7 to November 4, 1861.
Attached to Meagher's Brigade, Sumner's Division, Army of the Potomac, to March, 1862.
Consolidated Brigade, 1st Division, 2nd Army Corps, to November, 1864.
2nd Brigade, 1st Division, 2nd Army Corps, to June, 1865.
[1] Duty in the Defences of Washington, D. C., November 30, 1861, to March 10, 1862.
Peach Orchard and Savage Station June 29.
White Oak Swamp Bridge and Glendale June 30.
Malvern Hill July l. At Harrison's Landing till August 16.
Moved to Fortress Monroe, thence to Alexandria and Centreville August 16–30.
Cover retreat of Pope's Army to Washington, D. C., August 31-September 2.
Advance up Loudoun Valley and movement to Falmouth, Va., October 29-November 17.
Duty on line of the Rappahannock till October.
Strawberry Plains, Deep Bottom, August 14–18.
Dabney's Mills, Hatcher's Run, February 5–7, 1865.