- Organized at New York City October 11, 1861.
- Left State for Washington, D.C., November 11, 1861.
- Attached to French's 3rd Brigade, Sumner's Division, Army of the Potomac, to March, 1862.
- 3rd Brigade, Richardson's 1st Division, 2nd Army Corps, Army of the Potomac, to August, 1862.
- 1st Brigade, 1st Division, 2nd Army Corps, to September, 1862.
- 3rd Brigade, 1st Division, 2nd Army Corps, to June, 1864.
- Consolidated Brigade, 1st Division, 2nd Army Corps, to November, 1862.
- 3rd Brigade, 1st Division, 2nd Army Corps, to July, 1865.
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- Duty in the Defences of Washington, D. C., till March, 1862.
- Advance on Manassas, Va., March 10-15.
- Moved to the Peninsula, Va., April 3.
- Siege of Yorktown April 5-May 4.
- Battle of Fair Oaks or Seven Pines May 31-June 1.
- Seven days before Richmond June 25-July 1.
- Battles of Gaines Mill June 27.
- Peach Orchard and Savage Station June 29.
- White Oak Swamp and Glendale June 30.
- Malvern Hill July 1.
- At Harrison's Landing till August 16.
- Movement to Fortress Monroe, thence to Alexandria and Centreville August 16-30.
- Cover Pope's retreat to Fairfax Court House September 1.
- Maryland Campaign September 6-22.
- Battles of Antietam Creek September 15-16.
- Antietam September 17.
- Duty at Harper's Ferry, W. Va., September 22-October 29.
- Reconnoissance to Charlestown October 16-17.
- Advance up Loudoun Valley and movement to Falmouth, Va., October 29-November 17.
- Battle of Fredericksburg December 12-15.
- "Mud March" January 20-24, 1863.
- At Falmouth, Va., till April 27.
- Chancellorsville Campaign April 27-May 6.
- Battle of Chancellorsville May 1-5.
- Gettysburg (Pa.) Campaign June 11-July 24.
- Battle of Gettysburg, Pa., July 1-3.
- Pursuit of Lee July 5-24.
- Duty on line of the Rappahannock till October.
- Advance from the Rappahannock to the Rapidan September 13-17.
- Bristoe Campaign October 9-22.
- Auburn and Bristoe October 14.
- Advance to line of the Rappahannock November 7-8.
- Mine Run Campaign November 26-December 2.
- At Stevensburg till May, 1864.
- Demonstration on the Rapidan February 6-7, 1864.
- Campaign from the Rapidan to the James May 3-June 15.
- Battles of the Wilderness May 5-7; Spottsylvania May 8-12; Po River May 10; Spottsylvania Court House May 12-21.
- Assault on the Salient or "Blood Angle" May 12.
- North Anna River May 23-26.
- On line of the Pamunkey May 26-28.
- Totopotomoy May 28-31.
- Cold Harbor June 1-12.
- Before Petersburg June 16-18.
- Siege of Petersburg June 16, 1864, to April 2, 1865.
- Jerusalem Plank Road, Weldon Railroad, June 22-23, 1864.
- Demonstration north of the James July 27-29.
- Deep Bottom July 27-28.
- Demonstration north of the James August 13-20.
- Strawberry Plains, Deep Bottom, August 14-18.
- Ream's Station August 25.
- Reconnoissance to Hatcher's Run December 9-10.
- Dabney's Mills, Hatcher's Run, February 5-7, 1865.
- Watkins' House March 25.
- Appomattox Campaign March 28-April 9.
- Hatcher's Run or Boydton Road March 31.
- White Oak Road March 31.
- Sutherland Station and fall of Petersburg April 2.
- Sailor's Creek April 6.
- High Bridge and Farmville April 7.
- Appomattox Court House April 9.
- Surrender of Lee and his army.
- At Burkesville till May 2.
- March to Washington, D.C., May 2-15.
- Grand Review May 23.
- Duty at Washington, D.C., till July.
- Mustered out July 25, 1865.
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