Organized at Harrisburg August and September, 1861. Duty at Camp Curtin till February, 1862. Left State for Washington, D.C., February 27. Attached to Defences of Washington to April, 1862. Railroad Brigade, Middle Dept., to July, 1862. Railroad Brigade, 8th Corps, Middle Dept., to September, 1862. Defences Upper Potomac, 8th Corps, to March, 1863. 4th Brigade, 1st Division, 8th Corps, to June, 1863. Campbell's Brigade, Dept. West Virginia, to December, 1863. 1st Brigade, 2nd Division, Dept. West Virginia, to April, 1864. 2nd Brigade, 1st Infantry Division, West Virginia, to June, 1864. 3rd Brigade, 2nd Infantry Division, West Virginia, to July, 1864. 2nd Brigade, 3rd Division, West Virginia, July, 1864. 3rd Brigade. 1st Division, West Virginia, to December, 1864. 2nd Brigade, Independent Division, 24th Army Corps, Army of the James, to June, 1865. 1st Brigade, Independent Division, 24th Corps, to July, 1865.

SERVICE.--Duty in the Defences of Washington till March, 1862. Ordered to Harper's Ferry, W. Va., March 29. Assigned to guard duty along line of the Baltimore & Ohio Railroad by Detachments--Company "A" at South Branch Bridge, Company "B" at Paw Paw, Company "C" at Great Cacapon Bridge, Company "D" at Alpine Station, Company "E" at No. 12 Water Station. Company "F" at Sleepy Creek Bridge, Company "G" at Back Creek Bridge, Company "H" at Rockwell's Run, Company "I" at Sir John's Run and Company "K" at Little Cacapon Bridge--till January, 1863. Skirmishes at Back Creek Bridge September 11, 1862 (Co. "G"); North Mountain September 12 (Cos. "D,"" and "G"); Back Creek Bridge September 21 (Co. "G"); Little Cacapon October 4 (Co. "K"); Paw Paw October 4 (Co. "B"); Hanging Rock, Blue's Gap, October 2. Moved to Romney January 6, 1863. Purgetsville and Going's Ford April 6-7. Duty at Romney till June 30. Moved to New Creek June 30. Pursuit of Lee July 6-19. Skirmishes with enemy July 10 and 19. Return to Romney. March to relief of Mulligan at Petersburg, W. Va., August 1-5, and duty there till November 7. Moved to Springfield, thence to Cumberland, Md., January 1864. Operations in Hampshire and Hardy Counties January 26-February 7. Patterson Creek February (Co. "F"). Fremont's Ford April 1. Little Cacapon April 10 (Co. "K"). Sigel's Expedition from Martinsburg to New Market April 30-May 16. Battle of New Market May 15. Hunter's Expedition to Lynchburg May 26-July 1. Piedmont, Mount Crawford, June 5. Occupation of Staunton June 6. Middlebrook and Brownsburg June 10. Lexington June 11. Otter Creek, near Liberty. June 16. Diamond Hill June 17. Lynchburg June 17-18. Buford's Gap June 20. At and near Salem Juno 21. Movement to the Valley July 1-14. Reached Martinsburg July 14. Snicker's Gap July 17-18. Winchester and Kernstown July 24. Martinsburg July 25. Sheridan's Shenandoah Valley Campaign August to December. At Halltown till August 28. Berryville September 3. Battle of Opequan, Winchester, September 19. Fisher's Hill September 22. Cedar Creek October 13. Battle of Cedar Creek October 19. Moved to Washington, D.C., December 19-20, thence to City Point, Va., and Bermuda Hundred, Va., December 20-23. Siege operations against Petersburg and Richmond December, 1864, to April, 1865. Appomattox Campaign March 28-April 9, 1865. Hatcher's Run March 29-April 1. Fall of Petersburg April 2. Pursuit of Lee April 3-9. Rice's Station April 9. Regiment captured. Sent to Parole Camp, Annapolis, Md. Mustered out at Harrisburg, Pa., July 15, 1865.

Regiment lost during service 5 Officers and 108 Enlisted men killed and mortally wounded and 2 Officers and 137 Enlisted men by disease. Total 152.

Extract from Dyer's Compendium Regimental Histories