Organized at Dixon, Ill., and mustered in September 2, 1862. Moved from Dixon to Camp Douglas, Ill., September 8, 1862; thence to Louisville, Ky., September 30 - October 2. Attached to Ward's Brigade, Dumont's 12th Division, Army of the Ohio, to November, 1862. Ward's Brigade, Post of Gallatin, Tenn., Dept. of the Cumberland, to June, 1863. 2nd Brigade, 3rd Division, Reserve Corps, Dept. of the Cumberland, to August, 1863. Ward's Brigade, Post of Nashville, Tenn., Dept. of the Cumberland, to January, 1864. 1st Brigade, 1st Division, 11th Army Corps, Army of the Cumberland, to April, 1864. 1st Brigade, 3rd Division, 20th Army Corps, Army of the Cumberland, and Army of Georgia to June, 1865.
SERVICE - March to Frankfort, Ky., October 3-9, 1862; thence to Lawrenceburg in pursuit of Morgan, October 10-13. Moved to Bowling Green, Ky., October 26 - November 4. To Scottsville November 11, to Gallatin, Tenn., November 25; to South Tunnel December 11 and duty there till February 1, 1863. At Gallatin till June 1. Moved to Lavergne, thence to Murfreesboro July 2. Return to Lavergne July 29; thence moved to Nashville, Tenn., August 19, and duty there till February 24, 1864. March to Wauhatchie Valley, Tenn., February 24 - March 10, and duty there till May 2. Atlanta (Ga.) Campaign May 2 - September 8. Demonstrations on Resaca May 8-13. Battle of Resaca May 14-15. Cassville May 19. Advance on Dallas May 23-25. Burnt Hickory May 25. Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 26 - June 5. Operations about Marietta and against Kenesaw Mountain June 10 - July 2. Pine hill June 11-14. Lost Mountain June 15-17. Gilgal or Golgotha Church June 15. Muddy Creek June 17. Noyes Creek June 19. Kolb's Farm June 22. 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. Operations at Chattahoochie River Bridge August 26 - September 2. Occupation of Atlanta September 2 - November 15. March to the sea November 15 - December 10. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. Near Hardeesville, S.C., January 3. Lawtonville, S. C., February 2. Salkehatchie February 3-5. Averyshore, Taylor's Hole Creek, N. C., March 16. Battle of Bentonville March 19-21. Occupation of Goldsboro March 24. Advance on Raleigh April 10-14. Bennett's House April 26. Surrender of Johnston and his army. March to Washington, D.C., via Richmond, Va., April 29 - May 19. Grand Review May 24.
Mustered out June 7 and discharged at Chicago, Ill,, July 17, 1865.
Regiment lost during service 2 Officers and 49 Enlisted men killed and mortally wounded and 187 Enlisted men by disease. Total 188.