Organized at Erie September 5, 1862. Moved to Chambersburg, Pa., September 11-12, thence to Hagerstown and Antietam, Md., September 15-17. Attached to 2nd Brigade, 1st Division, 2nd Army Corps, Army of the Potomac, to October, 1862. 1st Brigade, 1st Division, 2nd Army Corps, to April, 1863. 4th Brigade, 1st Division, 2nd Army Corps, to May, 1865.

SERVICE:
Moved to Harper's Ferry, W. Va., September 22, 1862, and duty there till 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. Duty at Falmouth, Va., till April, 1863. Chancellorsville Campaign April 27-May 6. Battle of Chancellorsville May 1-5. Gettysburg (Pa.) Campaign June 11-July 24. Battle of Gettysburg July 1-3. Pursuit of Lee July 5-24. Duty on line of the Rappahannock till September. 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. Rapidan Campaign May 4-June 12. Battles of the Wilderness May 5-7; Corbin's Bridge May 8; Spottsylvania May 8-12; Po River May 10; Spottsylvania Court House May 12-21. Assault on the Salient May 12. North Anna River May 23-26. On line of tbe 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 June 22-23, 1864. Demonstration north of the James at Deep Bottom July 27-29. Deep Bottom July 27-28. Mine Explosion, Petersburg, July 30 (Reserve). Demonstration on north side of the James at Deep Bottom August 13-20. Strawberry Plains, Deep Bottom, August 14-18. Ream's Station August 2-5. Reconnoissance to Hatcher's Run December 7-10. Dabney's Mills, Hatcher's Run, February 5-7, 1865. Watkins' House March 25. Appomattox Campaign March 28-April 9. Skirmishes on line of Hatcher's and Gravelly Runs March 29-30. Hatcher's Run or Boydton Road March 31. Crow's House March 31. Sutherland Station April 2. Sailor's Creek April 8. High Bridge, Farmville, April 7. Appomattox Court House April 9. Surrender of Lee and his army. March to Washington, D. C., May 2-12. Grand Review May 23. Mustered out May 31, 1865.
Regiment lost during service 18 Officers and 187 Enlisted men killed and mortally wounded and 3 Officers and 214 Enlisted men by disease. Total 422.