Organized at Baltimore, Md., June to September, 1861. Duty at Baltimore, Md., until March, 1862. Attached to Dix's Division, Army of the Potomac, to March, 1862. 1st Brigade, 2nd Division, Department of North Carolina, to July, 1862. 1st Brigade, 2nd Division, 9th Army Corps, Army of the Potomac, to April, 1863. 1st Brigade, 2nd Division, 9th Army Corps, Army of the Ohio, to June, 1863. Unassigned, 1st Division, 23rd Army Corps, Army of the Ohio, to October, 1863. 1st Brigade, 2nd Division, 9th Army Corps, Army of the Ohio, to January, 1864. 2nd Brigade, 2nd Division, 9th Army Corps, Army of the Ohio, to March, 1864. 1st Brigade, 2nd Division, 9th Army Corps, Army of the Potomac, to April, 1864. 2nd Brigade, 3rd Division, 9th Army Corps, to June 5, 1864. 2nd Brigade, 2nd Division, 9th Army Corps, to July, 1865.
SERVICE.--Duty at Baltimore, Md., until March, 1862. Ordered to North Carolina March. Duty at Roanoke Island, N. C., until June. Battle of Camden South Mills April 19. Expedition toward Trenton May 15-16. Skirmish at Young's Cross Roads May 15. Expedition to New Berne June 18-July 2. Moved to Newport News, Va., July 6-10; thence to Aquia Creek and Fredericksburg, Va., August 2-7. Pope's Campaign in Northern Virginia August 16-September 2. Battles of Groveton August 29. Bull Run August 30. Chanuntily September 1. Maryland Campaign September 6-22. Battles of South Mountain, Md., September 14. Antietam September 16-17. Stone Bridge September 17. Duty in Pleasant Valley until October 27. Movement to Falmouth, Va., October 27-November 19. Battle of Fredericksburg, Va., December 12-15. Burnside's 2nd Campaign ("Mud March") January 20-24, 1863. Moved to Newport News February 11, thence to Lexington, Ky., March 26-April 1. Duty at Frankfort, Ky., until September. Rejoined Corps September 10. March to Knoxville, Tenn., September 12-20. Action at Blue Springs October 10. Operations in East Tennessee until November 14. Knoxville Campaign November 4-December 23. Loudon November 15. Campbell's Station November 16. Siege of Knoxville November 17-December 4. Repulse of Longstreet's assault on Fort Saunders November 29. Pursuit of Longstreet December 5-29. Duty in East Tennessee until March, 1864. Moved to Annapolis, Md., March 30-April 7. Campaign from the Rapidan to the James May 4-June 15. Battles of the Wilderness May 5-7. Spotsylvania May 8-12. Po River May 10. Spotsylvania Court House May 12-21. Assault on the Salient May 12. North Anna River May 23-26. On line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Bethesda Church June 1-3. Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865, Mine Explosion, Petersburg, July 30, 1864. Weldon Railroad August 18-21. Poplar Springs Church September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27-28. Fort Steadman March 25, 1865. Appomattox Campaign March 28-April 9. Assault on and fall of Petersburg April 2. March to Farmville April 4-10. March to City Point April 20-24, thence moved to Alexandria April 24-28. Grand Review May 23. Duty in the Department of Washington until July. Mustered out July 7, 1865.
Regiment lost during service 5 Officers and 84 Enlisted men killed and mortally wounded and 3 Officers and 134 Enlisted men by disease. Total 226.