Organized at Camp Giddings, Jefferson, Ohio, August 26, 1861. Moved to Camp Chase, Ohio, December 25, 1861, thence to Cumberland, Md., January 17, 1862. Attached to 3rd Brigade, Landers' Division, Army of the Potomac, to March, 1862. 3rd Brigade, Shields' 2nd Division, Banks' 5th Army Corps, and Dept. of the Shenandoah, to May, 1862. 3rd Brigade, Shields' Division, Dept. of the Rappahannock, to June, 1862. 2nd Brigade, 1st Division, 2nd Army Corps, Pope's Army of Virginia, to August, 1862. 1st Brigade, 2nd Division, 2nd Corps, Army Virginia, to September, 1862. 1st Brigade, 2nd Division, 12th Army Corps, Army of the Potomac, to October, 1863, and Army of the Cumberland, to April, 1864. 1st Brigade, 2nd Division, 20th Army Corps, Army of the Cumberland and Army of Georgia, to July, 1865.

SERVICE:
Duty at Hampton Heights and Paw Paw Tunnel till March, 1862. Advance on Winchester, Va., March 7-15. Reconnoissance to Strasburg March 18-19. Battle of Winchester, Va., March 22-23. March to Fredericksburg, Va., May 12-21, and return to Front Royal May 25-30. Battle of Port Republic June 9. Battle of Cedar Mountain August 9. Pope's Campaign in Northern Virginia August 16-September 2. Guard trains during battles of Bull Run August 28-30. Maryland Campaign September 6-22. Battle of Antietam September 16-17 (Reserve). Moved to Harper's Ferry, W. Va., September 22, and duty at Bolivar Heights till December. Reconnoissance to Rippon, W. Va., November 9. Reconnoissance to Winchester December 2-6. March to Stafford Court House December 10-14, and duty there till January 20, 1863. Burnside's second Campaign, "Mud March," January 20-24. At Stafford Court House till April 27. 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 to Manassas Gap, Va., July 5-24. Detached for duty at New York during draft disturbances August 29-September 8. Movement to Bridgeport, Ala., September 24-October 3. Re-opening Tennessee River October 26-29. Chattanooga-Ringgold Campaign November 23-27. Battles of Lookout Mountain November 23-24. Mission Ridge November 25. Ringgold Gap, Taylor's Ridge, November 27. Duty at Bridgeport, Ala., till May, 1864. Atlanta (Ga.) Campaign May 1-September 8. Demonstrations on Rocky Faced Ridge May 8-11. Dug Gap or Mill Creek May 8. Battle of Resaca May 14-15. Near Cassville May 19. New Hope Church May 25. Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Pine Hill June 11-14. Lost Mountain June 15-17. Gilgal or Golgotha Church June 15. Muddy Creek June 17. Noyes Creek June 19. Kolb's Farm June 22. Assault on Kenesaw June 27. Ruff's Station July 4. Chattahoochie River July 5-17. Peach Tree Creek July 19-20. Siege of Atlanta July 22-August 25. Operations at Chattahoochie River Bridge August 26-September 2. Occupation of Atlanta September 2-November 15. Near Atlanta November 9. March to the sea November 15-December 10. Buckhead Church December 2. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. North Edisto River, S. C., February 12-13. Battle of Bentonville, N. C., March 19-21. Occupation of Goldsboro March 24. Advance on Raleigh April 10-14. Occupation of Raleigh April 14. Bennett's House April 26. Surrender of Johnston and his army. March to Washington, D. C., via Richmond, Va., April 29-May 20. Grand Review May 24. Moved to Louisville, Ky., June. Mustered out at Louisville, Ky., July 13, 1865.
Regiment lost during service 6 Officers and 114 Enlisted men killed and mortally wounded and 1 Officer and 150 Enlisted men by disease. Total 271.