Organized at Quincy, Ill., and mustered in September 1, 1862. Left State for Louisville, Ky., September 19, 1862. Attached to 39th Brigade, 12th Division, Army of the Ohio, to November, 1862. Gilbert's Command, District of Western Kentucky, Department of the Ohio, to February, 1863. Franklin, Tenn., Army of Kentucky, Dept. of the Cumberland, to June, 1863. 2nd Brigade, 1st Division Reserve Corps, Army of the Cumberland, to October, 1863. 2nd Brigade, 2nd Division, 14th Army Corps, to June, 1865.Moved to Shephardstown, Ky., October 5, 1862, and guard Louisville & Nashville R.R. from Elizabethtown to New Haven, with Headquarters at New Haven, till January 30, 1863. Action at Muldraugh's Hill December 28, 1862 (Cos. "B" and "C," captured by Morgan). New Haven December 30 (Co. "H"). Moved to Nashville, Tenn., January 30-February 7, 1863. Repulse of Forest's attack on Fort Donelson, Tenn., February 3. Moved to Franklin, Tenn., February 12, and duty there till June 23. Actions at Franklin March 4, April 10 and June 4-5. March to Triune, Murfreesboro and thence to Army near Shelbyville, June 24-28. Middle Tennessee (or Tullahoma) Campaign June 28-July 7. Occupation of Shelbyville July 1. Occupation of Middle Tennessee till August 16. Passage of 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. Tunnel Hill November 23-24. Mission Ridge November 24-25. Chickamauga Station November 26 (Regiment temporarily attached to 15th Army Corps, November 24). March to relief of Knoxville November 29-December 17. Duty at Rossville, Ga., till May, 1864. Demonstration on Dalton, Ga., February 22-27. Tunnel Hill, Buzzard's Roost Gap and Rocky Faced Ridge February 23-25. Reconnoissance from Rossville to La Fayette April 11-13. 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. Rome May 17-18. Advance on Dallas May 19-25. 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 9-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. Battle of Peach Tree Creek July 19-20. Siege of Atlanta July 22-August 25. Utoy Creek August 5-7. Flank movement on Jonesboro August 25-30. Battle of Jonesboro August 31-September 1. Lovejoy Station September 2-6. Operations in North Georgia and North Alabama against Forest and Hood September 29-November 3. Florence October 6-8. March to the sea November 15-December 10. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. Averysboro, 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. Occupation of Raleigh April 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, 1865.Regiment lost during service 9 Officers and 95 Enlisted men killed and mortally wounded and 117 Enlisted men by disease. Total 221.