Organized at Indianapolis, Ind., August 20 to September 2, 1862. Mustered in September 2, 1862, and moved to Louisville, Ky. Attached to 11th Brigade, 5th Division, Army of the Ohio, September, 1862. 11th Brigade, 5th Division, 2nd Corps, Army of the Ohio, to November, 1862. 1st Brigade, 3rd Division, Left Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 1st Brigade, 3rd Division, 21st Army Corps, Army of the Cumberland, to October, 1863. 3rd Brigade, 3rd Division, 4th Army Corps, Army of the Cumberland, to June, 1865.
Pursuit of Hood to Loudon, Ky., October 1-22, 1862. Battle of Perryville, Ky., October 8 (Reserve). March to Nashville, Tenn., October 22-November 7, and duty there till December 26. 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. Middle Tennessee or Tullahoma Campaign June 23-July 7. Occupation of Middle Tennessee till August 16. Passage of the Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22. Battle of Chickamauga September 19-20. Siege of Chattanooga, Tenn., September 24-November 23. Chattanooga-Ringgold Campaign November 23-27. Orchard Knob November 23-24. Mission Ridge November 25. Pursuit to Graysville November 26-27. March to relief of Knoxville, Tenn., November 28-December 8. Operations in East Tennessee December, 1863, to 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. Advance on Dallas May 22-25. 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 11-14. Lost Mountain June 15-17. 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, Ala., and duty there till March, 1865. Expedition from Whitesburg February 17, 1865. Operations in East Tennessee March 15-April 22. At Nashville till June. Mustered out June 7, 1865.
Regiment lost during service 3 Officers and 50 Enlisted men killed and mortally wounded and 2 Officers and 147 Enlisted men by disease. Total 202.