Organized at Pittsburg August, 1861. Left State for Washington, D. C., August 26. Attached to Jameson's Brigade, Heintzelman's Division, Army Potomac, to March, 1862. 1st Brigade, 3rd Division, 3rd Army Corps, Army Potomac, to August, 1862. 1st Brigade, 1st Division, 3rd Army Corps, to March, 1864. 2nd Brigade, 3rd Division, 2nd Army Corps, to September, 1864.
SERVICE.-Duty in the Defences of Washington, D. C., till March, 1862. Reconnoissance to Pohick Church and the Occoquan November 12, 1861. Pohick Church and the Occoquan March 5, 1862 (Detachment). Moved to the Peninsula March 16-18. Siege of Yorktown April 5-May 4. Battle of Williamsburg May 5. Battle of Fair Oaks (Seven Pines) May 31-June 1. Seven days before Richmond June 25-July 1. Oak Grove June 25. Glendale June 30. Malvern Hill July 1. Duty at Harrison's Landing till August 16. Movement to Centreville August 16-26. Bristoe Station or Kettle Run August 27. Buckland's Bridge, Broad Run, August 27. Battles of Groveton August 29; Bull Run August 30; Chantilly September 1. Duty in the Defences of Washington and guarding fords in Maryland till October. March up the Potomac to Leesburg, thence to Falmouth, Va., October 11-November 19. Battle of Fredericksburg December 12-15. Burnside's second Campaign, "Mud March," January 20-24, 1863.. At Falmouth till April. 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. Wapping Heights, Va., July 23. Duty on line of the Rappahannock till October. Bristoe Campaign October 9-22. Auburn and Bristoe October 13-14. Advance to line of the Rappahannock November 7-8. Kelly's Ford November 7. Mine Run Campaign November 26-December 2. Payne's Farm November 27. Demonstration on the Rapidan February 6-7, 1864. Rapidan Campaign May 4-June 12. Battles of the Wilderness May 5-7; Laurel Hill May 8; Spottsylvania May 8-12; Po River May 10; Spottsylvania C. H. May 12-21. Assault on the Salient May 12. Harris' Farm May 19. 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 and Richmond June 16-September 5. Weldon Railroad June 22-23. Demonstration on north side of the James River at Deep Bottom July 27-29. Deep Bottom July 27-25. Mine Explosion July 30 (Reserve). Demonstration on north side of the James August 13-20. Strawberry Plains, Deep Bottom, August 14-15. Veterans and Recruits transferred to 105th Pennsylvania September 5, 1864. Mustered out September 9, 1864.
Regiment lost during service 17 Officers and 169 Enlisted men killed and mortally wounded and 1 Officer and 133 Enlisted men by disease. Total 320.
1 Source: National Park
Service, Soldiers and Sailors System; "A Compendium of the War of the Rebellion" by Frederick H. Dyer,Cosmas; An Army for Empire : The United States Army in the Spanish American War by A. Graham, (Shippensburg, PA: White Mane Publishing Co., 1993).