Organized at Camp Douglas, Chicago, Ill., and mustered in December 24, 1861. Moved to Cairo, I11, February 14, 1862. Duty there and at Camp Cullum, Ky., till March 4, 1862. Attached to 2nd Brigade, 4th Division, Army of Mississippi, to April, 1862. 1st Brigade, 1st Division, Army of the Mississippi, to September, 1862. 1st Brigade, 13th Division, Army of the Ohio, to November, 1862. 3rd Brigade, 3rd Division, Right Wing 14th Army Corps, Army of the Cumberland, to January, 1863. 3rd Brigade, 3rd Division, 20th Army Corps, Army of the Cumberland, to October, 1863. 3rd Brigade, 2nd Division, 4th Army Corps, to August, 1865. Department of Texas to September, 1865.
SERVICE - Operations against New Madrid, Mo., and Island No. 10, Mississippi River, March 7-April 8, 1862. Actions at New Madrid March 13-14. Action and capture at Tiptonville April 8. Expedition to Fort Pillow, Tenn., April 13-17. Moved to Hamburg Landing, Tenn., April 17-23. Advance on and siege of Corinth, Miss., Aprii 29-May 30. Action at Farmington May 3. Reconnoissance toward Corinth May 8. Action at Farmington May 9. Pursuit to Booneville May 31-June 12. Reconnoissance toward Baldwyn June 3. At Corinth till July 20. Moved to Tuscumbia, Ala., July 20. Guard R. R. from Hillsboro to Decatur, Ala. Stationed at Decatur till September 4. March to Nashville, Tenn., September 4-12. Siege of Nashville, Tenn., September 12-November 6. Repulse of Forest's attack on Edgefield November 5. Duty at Nashville till December 26. Advance on Murfreesboro December 26-30. Battle of Stone's River December 30-31, 1862, and January 1-3, 1863. Duty at Murfreesboro till June. Expedition to Columbia March 4-14. Middle Tennessee (or Tullahoma) Campaign June 24-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, Ga., 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. March to relief of Knoxville and operations in East Tennessee November 28-January 15, 1864. Moved to Chattanooga, thence to Cleveland, Tenn., and duty there till May, 1864. Veterans on furlough February 10-March 30. Atlanta (Ga.) Campaign May 1 to September 8. Demonstrations on Rocky Faced Ridge May 8-11. Buzzard's Roost Gap May 8-9. 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 Mountains 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. 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. Moved to Chattanooga, Tenn.. September 28, thence to Bridgeport, Ala., and duty there till October 18. Moved to Chattanooga October 18. 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 and April. Moved to Nashville, Tenn., and duty there till June. Moved to New Orleans, La., June 16-22, thence to Texas July 28-31. At Camp Placider, Texas, till September.
Mustered out at Camp Irwin September 25 and discharged at Chicago, Il1., October 15, 1865.
Regiment lost during service 9 Officers and 106 Enlisted men killed and mortally wounded and 1 Officer and 134 Enlisted men by disease. Total 250.