Organized at Camp Wood, Cleveland, Ohio, August 26 to October 29, 1861. Mustered in October 31, 1861. Moved to Camp Dennison, Ohio, November 6, thence to Gallipolis, Ohio, November 16, thence to Louisville, Ky. Duty at Camp Wickliffe, Ky., till February, 1862. Attached to 15th Brigade, Army of the Ohio, December, 1861, to January, 1862. 15th Brigade, 4th Division, Army of the Ohio, to February, 1862. 19th Brigade, 4th Division, Army of the Ohio, to September, 1862. 19th Brigade 4th Division, 2nd Corps, Army of the Ohio, to November, 1862. 2nd Brigade, 2nd Division, Left Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 2nd Brigade, 2nd Division, 21st Army Corps, Army of the Cumberland, to October, 1863. 2nd Brigade, 3rd Division, 4th Army Corps, Army of the Cumberland, to August, 1865. Dept. of Texas to November, 1865.

SERVICE:
Advance on Nashville, Tenn., February 14-25, 1862. Occupation of Nashville February 25 to 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 and pursuit to Booneville May 30-June 12. March to Athens, Ala., and duty there till July 17, and at Murfreesboro till August 17. March to Louisville, Ky., in pursuit of Bragg August 17-September 26. Pursuit of Bragg into Kentucky October 1-22. Battle of Perryville, Ky., October 8. Danville October 11. Rockcastle River October 18. Nelson's Cross Roads October 18. Pittman's Cross Roads October 19. March to Nashville, Tenn., October 23-November 6, and duty there till December 26. Advance on Murfreesboro December 26-30. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Woodbury January 24. Duty at Murfreesboro till June. Expedition from Readyville to Woodbury April 2. Snow Hill, Woodbury, April 3. Middle Tennessee (or Tullahoma) Campaign June 22-July 7. Liberty Gap June 22-23. Occupation of Middle Tennessee till August 16. Passage of the Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22. Lee and Gordon's Mills September 11-13. Battle of Chickamauga, Ga., September 19-20. Siege of Chattanooga, Tenn., September 24-November 23. Reopening Tennessee River October 26-29. Brown's Ferry October 27. Chattanooga-Ringgold Campaign November 23-27. Orchard Knob November 23-24. Mission Ridge November 25. March to relief of Knoxville November 28-December 8. Operations in East Tennessee till April, 1864. Atlanta (Ga.) Campaign May 1 to 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 Cassville May 19 and May 24. Operations on line of 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. Assault on Kenesaw Mountain June 27. Ruff's Station, Smyrna Camp Ground, July 4. Chattahoochie River July 5-17. Pace's Ferry July 5. 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, Ala., and duty there till March, 1865. Operations in East Tennessee March 15-April 22. Duty at Nashville till June. Moved to New Orleans, La., June 16; thence to Texas. Duty at San Antonio till November. Mustered out November 27, 1865.
Regiment lost during service 8 Officers and 168 Enlisted men killed and mortally wounded and 1 Officer and 153 Enlisted men by disease. Total 330.