Organizcd at Pittsfield August 30, 1862. Left State for Washingtnn, D. C., September 7. Attached to 2nd Brigade, 3rd Division, 6th Army Corps, Army of the Potomac, to March, 1864. 4th Brigade, 2nd Division, 6th Army Corps, Army of the Potomac, to July, 1864. 3rd Brigade, 1st Division, 6th Army Corps, Army of the Shenandoah, snd Army of the Potomac, to June, 1865.

SERVICE:
At Downsville, Md., till October 20. Movement to Stafford C. H., Va., October 20-November 19, and to Belle Plains December 5. Battle of Fredericksburg, Va., December 12-15. "Mud March" January 20-24, 1863. Chancellorsville Campaign April 27-May 6. Operations at Franklin's Crossing April 29-May 2. Maryes Heights, Fredericksburg, May 3. Salem Heights May 3-4. Banks' Ford May 4. Battle of Gettysburg, Pa., July 2-4. Detached for duty at New York and duty at Fort Hamilton, N. Y. Harbor, July 30 to October 17. Rejoined army at Chantilly, Va., October 17. Advance to line of the Rappahannock November 7-8. Rappahannock Station November 7. Mine Run Campaign November 26-December 2. At Brandy Station till April, 1864. Rapidan Campaign May-June. Battles of the Wilderness May 5-7; Spottsylvania May 8-12; Spottsylvania C. H. May 12-21. Assault on the Salient May 12. North Anna River May 23-26. Line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Before Petersburg June 16-18. Siege of Petersburg to July 9. Jerusalem Plank Road June 22-23. Moved to Washington, D. C., July 9-11. Repulse of Early's attack on Fort Stevens and the Northern Defences of Washington July 11-12. Sheridan's Shenandoah Valley Campaign August to December. Near Charlestown August 21-22. Battle of Opequan, Winchester, September 19. Provost duty at Winchester till December 13. Moved to Petersburg, Va., December 13-16. Siege of Petersburg December 16, 1864, to April 2, 1865. Appomattox Campaign March 28-April 9. Assault on and fall of Petersburg April 2. Pursuit of Lee April 3-9. Appomattox C. H. April 9. Surrender of Lee and his army. Moved to Danville, Va., April 23-27. Moved to Wilson's Station May 3; thence march to Washington, D. C., May 18-June 2. Corps Review June 8. Moved to Readville, Mass., June 22-23. Mustered out June 30, 1865.
Regiment lost during service 4 Officers and 165 Enlisted men killed and mortally wounded and 92 Enlisted men by disease. Total 261.