Organized at Camps Chase and Jackson, Ohio, May 29, to June 17, 1861. Left State for West Virginia July 26, reaching Cheat Mountain Summit August 14. Attached to Cheat Mountain Brigade, West Virginia, to November, 1861. 10th Brigade, Army of the Ohio, to December, 1861. 10th Brigade, 4th Division, Army of the Ohio, to September, 1862. 10th Brigade, 4th Division, 2nd Corps, Army of the Ohio, to November, 1862. 3rd Brigade, 2nd Division, Left Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 3rd Brigade, 2nd Division, 21st Army Corps, Army of the Cumber!and, to October, 1863. 3rd Brigade, 1st Division, 4th Army Corps, Army of the Cumberland, to April, 1864. 1st Separate Brigade, Post of Chattanooga, Tenn., Dept. of the Cumberland, to June, 1864.
SERVICE.--Operations on Cheat Mountain, W. Va., September 11-17, 1861. Action at Cheat Mountain September 12. Greenbrier River October 3-4 and October 31. Moved to Louisville, Ky., November 18, thence to Camp Wickliffe and duty there until February, 1862. Advance on Nashville, Tenn., February 14-25. Occupation of Nashville February 25-March 18. March to Savannah, Tenn., March 18-April 6. Battle of Shiloh, Tenn., April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. Occupation of Corinth May 30. Pursuit to Booneville May 30-June 12. Buell's Campaign in North Alabama and Middle Tennessee June to August. At Athens, Ala., until July 17. At Murfreesboro and McMinnville, Tenn., until August 17. March to Louisville, Ky., in pursuit of Bragg August 17-September 26. Pursuit of Bragg to Loudon, Ky., October 1-22. Battle of Perryville, Ky., October 8. Nelson's Cross Roads October 18. March to Nashville, Tenn., October 22-November 7, and duty there until December 26. Advance on Murfreesboro December 26-30. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Action at Woodbury January 24, 1863. Duty at Readyville until June. Middle Tennessee or Tullahoma Campaign June 23-July 7. At Manchester until August 16. Passage of Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 7. Battle of Chickamauga September 19-20. Siege of Chattanooga, Tenn., September 24-November 23. Reopening 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 Shellmound until February, 1864. Demonstration on Dalton, Ga., February 22-27, 1864. Near Dalton February 23. Buzzard's Roost Gap and Rocky Faced Ridge February 23-25. Garrison duty at Chattanooga, Tenn., until June. Mustered out June 17-24, 1864, expiration of term.
Regiment lost during service 6 Officers and 62 Enlisted men killed and mortally wounded and 2 Officers and 106 Enlisted men by disease. Total 176.