Organized at Camp Dennison, Ohio, June 22, 1861. Left State for Parkersburg, W. Va., June 30, 1861. Attached to 2nd Brigade, Army of Occupation, W. Va., to September, 1861. Benham's Brigade, District of the Kanawha, W. Va., to October, 1861. 1st Brigade, Kanawha Division West Virginia, to November, 1861. 17th Brigade, Army Ohio, to December, 1861. 17th Brigade, 3rd Division, Army Ohio, to April, 1862. 14th Brigade, 5th Division, Army Ohio, to September, 1862. 14th Brigade, 5th Division, 2nd Corps, Army Ohio, to November, 1862. 2nd Brigade, 3rd Division, Left Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 2nd Brigade, 3rd Division, 21st Army Corps, Army of the Cumberland, to October, 1863. 3rd Brigade, 3rd Division, 4th Army Corps, to June, 1865. 2nd Brigade, 3rd Division, 4th Army Corps, to August, 1865. Central District of Texas to October, 1865. Sub-District of San Antonio, Central District of Texas, to December, 1865.

SERVICE:
West Virginia Campaign July 6-17, 1861. Moved to Oakland, W. Va., July 14. Expedition to Greenland Gap July 15-16. Duty at Sutton till September. Battle of Carnifex Ferry September 10. At Gauley Bridge till November. Operations in the Kanawha Valley and New River Region October 19-November 16. Gauley Bridge November 3. Pursuit of Floyd November 12-16. Cotton Hill and Laurel Creek November 12. McCoy's Mills November 15. Ordered to Louisville, Ky., and camp at Jeffersonville, Ind., till December 11. Near Elizabethtown, Ky., till December 26, and at Bacon Creek till February 10, 1862. Advance on Bowling Green, Ky., and Nashville, Tenn., February 10-25. Occupation of Nashville till March 17. March to Savannah, Tenn., March 17-April 6. Battle of Shiloh April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. Buell's Campaign in Northern Alabama and Middle Tennessee June to August. March to Louisville, Ky., in pursuit of Bragg August 21-September 26. Pursuit of Bragg into Kentucky October 1-16. Battle of Perryville October 8 (Reserve). March to Nashville, Tenn., October 16-November 7. Duty there till December 26. Action at Rural Hill November 18. Advance on Murfreesboro, Tenn., December 26-30. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Duty at Murfreesboro till June. Stone's River Ford, McMinnville, June 4. Middle Tennessee or Tullahoma Campaign June 22-July 7. Liberty Gap June 22-24. Occupation of Middle Tennessee till August 16. Passage of Cumberland Mountains and Tennessee River, and Chickamauga (Ga.) Campaign August 16-September 22. Battle of Chickamauga, Ga., September 19-20. Mission Ridge September 22. Siege of Chattanooga September 24-November 23. Chattanooga-Ringgold Campaign November 23-27. Orchard Knob November 23. Mission Ridge November 24-25. Pursuit to Graysville November 26-27. March to relief of Knoxville, Tenn., November 28-December 3. Operations in East Tennessee till April, 1864. Atlanta (Ga.) Campaign May 1-September 8. Demonstrations on Rocky Faced Ridge and Dalton, Ga., May 8-13. Battle of Resaca May 14-15. Adairsville May 17. Near Kingston May 18-19. Near Cassvllle May 19. Advance on Dallas May 22-25. Operations on Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Pickett's Mills May 27. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Pine Hill June 10-14. Lost Mountain June 15-17. Non-Veterans mustered out June 21, 1864. Veterans and Recruits consolidated to a Battalion. Assault on Kenesaw June 27. Ruff's Station, Smyrna Camp Ground, July 4. Chattahoochie River July 5-17. Peach Tree Creek July 19-20. Siege of Atlanta July 22-August 25. Flank movement on Jonesboro August 25-30. Battle of Jonesboro August 31-September 1. Lovejoy Station September 2-6. Operations against Hood in North Georgia and North Alabama September 29-November 3. Nashville Campaign November-December. Columbia, Duck River, November 24-27. Battle of Franklin November 30. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. Moved to Huntsville and duty there till March, 1865. Operations in East Tennessee March 16-April 22. Duty at Nashville till June. Moved to New Orleans, La., June 16, thence to Texas. Duty at Green Lake till September 4, and at San Antonio, Texas, till December. Mustered out December 5, 1865.
Regiment lost during service 8 Officers and 109 Enlisted men killed and mortally wounded and 2 Officers and 102 Enlisted men by disease. Total 221.