Organization

• 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.

Service

• 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.

Casualties

• Regiment lost during service 14 Officers and 139 Enlisted men killed and mortally wounded and 197 Enlisted men by disease. Total 350.