Regiment organized at Manchester and mustered in September 4, 1862. Left State and moved to Washington, D.C., September 22-25; thence to Frederick, Md., September 30; to Sandy Hook, Md., October 4, and to Pleasant Valley October 6. Attached to 1st Brigade, 3rd Division, 9th Army Corps, Army of the Potomac, to April, 1863. 1st Brigade, 2nd Division, 7th Army Corps, Dept. of Virginia, to July, 1863. 3rd Brigade, Getty's Division, United States Forces, Norfolk and Portsmouth, Dept. of Virginia and North Carolina, to April, 1864. 2nd Brigade, 1st Division, 18th Army Corps, Dept. of Virginia and North Carolina, to December, 1864. 2nd Brigade, 3rd Division, 24th Army Corps, Dept. of Virginia, to June, 1865.

SERVICE.--Duty at Pleasant Valley, Md., until October 27, 1862. Movement to Falmouth, Va., October 27-November 19. Battle of Fredericksburg. Va., December 12-15. Burnside's Second Campaign ("Mud March") January 20-24, 1863. Moved to Newport News, Va., February 9, thence to Norfolk and Suffolk March 14. Siege of Suffolk April 12-May 4. Battery Huger, Hill's Point, April 19. Reconnaissance across Nansemond River May 4. Moved to Portsmouth May 13, thence to Yorktown, Va. Dix's Peninsula Campaign June 24-July 7. Expedition from White House to South Anna River July 1-7. Moved to Portsmouth July 8-14, and to Julien Creek July 30. Duty there until March 19, 1864. Ballahock, on Bear Quarter Road, and Deep Creek, February 29-March 1, 1864. Moved to Great Bridge March 19, thence to Yorktown April 19. Butler's operations on south side of the James River against Petersburg and Richmond May 4-28. Port Walthal Junction May 7. Chester Station May 7. Swift Creek (or Arrowfield Church) May 9-10. Operations against Fort Darling May 12-16. Battle of Drewry's Bluff May 14-16. Bermuda Hundred June 17-27. Moved to White House, thence to Cold Harbor May 27-31. Cold Harbor June 1-12. Before Petersburg June 15-19. Siege of Petersburg and Richmond June 15, 1864, to April 2, 1865. Chaffin's Farm, New Market Heights, September 28-30, 1864. Fort Harrison September 28-29. Battle of Fair Oaks October 27-28. Duty in lines north of James River before Richmond until April, 1865. Occupation of Richmond April 3. Provost duty at Manchester until June 21. Mustered out June 21, 1865. Veterans and Recruits transferred to 2nd New Hampshire Infantry.