Organized at Rockford, Ill., and mustered in September 4, 1862. Moved to Louisville, Ky., September 28-30. Attached to 30th Brigade, 9th Division, Army of the Ohio, to October, 1862. 30th Brigade, 9th Division, 3rd Corps, Army Ohio, to November, 1862. 1st Brigade, 1st Division, Right Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 1st Brigade, 1st Division, 20th Army Corps, Army of the Cumberland, to October, 1863. 1st Brigade, 2nd Division, 4th Army Corps, to June, 1865.
SERVICE - Pursuit of Bragg into Kentucky October 1-16, 1862. Chaplin Hills near Perryville October 6-7. Battle of Perryville October 8. Lancaster October 15. March to Nashville, Tenn., October 16 - November 7, and duty there till December 26. Wilson's Creek Pike December 25. Advance on Murfreesboro, Tenn., December 26-30. Nolensville, Knob Gap, December 26. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. At Murfreesboro till June. Reconnaissance from Salem to Versailles March 9-14. Operations on Edgeville Pike June 4. Middle Tennessee or Tullahoma Campaign June 22 - July 7. Liberty Gap June 22-24, and June 24-27. Occupation of Middle Tennessee till August 16. Passage of Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16 - September 22. Guard supply trains over mountains in rear of Bragg's army during battle of Chickamauga. Near Chattanooga September 22-24. Siege of Chattanooga 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 till February, 1864. Moved to Chattanooga and thence to Cleveland, Tenn. Duty there till May. Atlanta (Ga.) Campaign May 1 - September 8. Tunnel Hill May 6-7. 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 battle about Dallas, New Hope Church and Allatoona Hills May 25 - June 5, 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 July 4. Chattahoochie River June 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 and Forest 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. Operations in East Tennessee March 28 - April 19. Moved to Nashville, Tenn., and duty there till June.
Mustered out June 10, 1865.
Regiment lost during service 5 Officers and 78 Enlisted men killed and mortally wounded and 3 Officers and 116 Enlisted men by disease. Total 202.