Organized at Camp Douglas, Chicago, Ill., and mustered in September 4, 1862. Ordered to Louisville, Ky., September 4, 1862. Attached to 37th Brigade, 11th Division, Army of the Ohio, to October, 1862. 37th Brigade, 11th Division, 3rd Corps, Army of the Ohio, to November, 1862. 1st Brigade, 3rd Division, Right Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 1st Brigade, 3rd Division, 20th Army Corps, Army of the Cumberland, to October, 1863. 1st Brigade, 2nd Division, 4th Army Corps, Army of the Cumberland, to June, 1865.
SERVICE - Pursuit of Bragg into Kentucky October 1-16, 1862. Battle of Perryville, Ky., October 8. March to Nashville, Tenn., October 17 - November 7, and duty there till December 26. Reconnaissance to Mill Creek November 27. Advance on Murfreesboro December 26-30. Lavergne December 30. Battle of Stone River December 30-31, 1862, and January 1-3, 1863. Duty at and near Murfreesboro till June. Expedition toward Columbia March 4-14. Middle Tennessee (or Tullahoma) Campaign June 24 - July 7. Occupation of Middle Tennessee till August. Passage of the Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16 - September 22. Battle of Chickamauga, Ga., September 19-20. Siege of Chattanooga september 24 - November 23. Chattanooga - Ringgold Campaign November 23-27. Orchard Knob November 23-24. Mission Ridge November 25. March to relief of Knoxville, Tenn., November 28 - December 8. Campaign in East Tennessee December, 1863, to February, 1864. At Loudon. Tenn., till April and at Cleveland till May. Atlanta (Ga.) Campaign May to September. Movements on Dalton May 5-9. Demonstration on Rocky Faced Ridge May 8-11. Buzzard's Roost Gap May 8-9. Demonstration on Dalton May 9-13. 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. Operations about Marietta and against Kenesaw Mountain June 10 - July 2. Pine Mountain 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. Buckhead, Nancy's Creek, July 18. 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. Spring Hill November 29. 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 to Bull's Gap and operations in East Tennessee March 15 - April 22. Moved to Nashville, Tenn., and duty there till June.
Mustered out at Nashville, Tenn., June 9, and discharged at Chicago, Ill., June 22, 1865.
Regiment lost during service 5 Officers and 98 Enlisted men killed and mortally wounded and 4 Officers and 84 Enlisted men by disease. Total 191.