Organized at Camp Chase, Columbus, Ohio, April 23, 1862. Ordered to West Virginia May 27, and joined Fremont's army at Strasburg, Va., June 23, 1862. Attached to 1st Brigade, 3rd Division, 1st Corps, Army of Virginia, June to September, 1862. 1st Brigade, 3rd Division, 11th Army Corps, Army of the Potomac, to October, 1862. 2nd Brigade, 2nd Division, 11th Army Corps, to November, 1862. 1st Brigade, 3rd Division, 11th Army Corps, Army of the Potomac, to October, 1863. Army of the Cumberland to April, 1864. 3rd Brigade, 1st Division, 20th Army Corps, Army of the Cumberland, to March, 1865.

SERVICE:
March to Sperryville and duty there till August 8, 1862. Pope's Campaign in Northern Virginia August 16-September 2. Freeman's Ford August 22. Sulphur Springs August 23-24. Battles of Groveton August 29, and Bull Run August 30. Duty in the Defences of Washington, D. C., till December. March to Fredericksburg, Va., December 10-15. "Mud March" January 20-24, 1863. Duty 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, Pa., July 1-3. Pursuit of Lee to Manassas Gap, Va., July 5-24. Duty along Orange & Alexandria Railroad July 26 to September 26. Movement to Bridgeport, Ala., September 26-October 3. Reopening Tennessee River October 26-29. Battle of Wauhatchie, Tenn., October 28-29. Chattanooga-Ringgold Campaign November 23-27. Orchard Knob November 23. Mission Lodge November 24-25. March to relief of Knoxville, Tenn., November 28-December 8. Moved to Bridgeport, Ala., and duty there till March, 1864. Veterans on Furlough March and April. Atlanta (Ga.) Campaign May 1-September 8. Demonstration on Rocky Faced Ridge May 8-11. Battle of Resaca May 14-15. Cassville May 19. New Hope Church May 25. Battles about Dallas, New Hope Church and Allatoona Hills, May 25-June 5. Lost Mountain June 8. 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 June 5-17. Peach Tree Creek July 19-20. Siege of Atlanta July 22-August 25. Operations at Chattahoochie River Bridge May 26-September 2. Occupation of Atlanta September 2-November 15. Expedition from Atlanta to Tuckum's Cross Roads October 26-29. March to the sea November 15-December 10. Montieth Swamp December 9. Siege of Savannah December 10-21. Campaign of the Carolinas January to March, 1865. Taylor's Hole Creek, Averysboro, N. C., March 16. Battle of Bentonville March 19-21. Occupation of Goldsboro March 24. Consolidated with 82nd Ohio Infantry March 31, 1865.
Regiment lost during service 7 Officers and 68 Enlisted men killed and mortally wounded and 90 Enlisted men by disease. Total 165.