Organized at Quincy, Ill., and mustered in May 24, 1861. Moved to Grand River, Mo., June 12, 1861, and duty as Railroad guard on Hannibal & St. Joseph R. R. till September 10. Action at Monroe Station July 9 (Cos. "F" and "H"). Caldwell Station July 16. Operations about Kirksville August 16-21. Affairs at Hunnewell and Palmyra August 17. Operations in Northeast Missouri August 30-September 7. Expedition against Green's Guerrillas September 8-9. Moved to St. Joseph, Mo., September 10, and duty there till January 27, 1862. Skirmish at Platte City September 14, 1861. Attached to Dept. of Missouri to February, 1862. 4th Brigade, 1st Division, District of Cairo, February, 1862. 1st Brigade, 4th Division, Army of Mississippi, to April, 1862. 2nd Brigade, 1st Division, Army of Mississippi, to September, 1862. 2nd Brigade, 13th Division. Army of the Ohio, to November, 1862. 1st Brigade, 4th Division, Centre 14th Army Corps, Dept. of the Cumberland, to January, 1863. 1st Brigade, 4th Division. 14th Army Corps, Army of the Cumberland, to June, 1863. 1st Brigade, 2nd Division, Reserve Corps, Army of the Cumberland, to October, 1863. 1st Brigade. 2nd Division, 14th Army Corps, to July, 1865.
SERVICE - Moved from St. Joseph, Mo., to Bird's Point, Mo., January 27, 1862, thence to New Madrid, Mo., March 3. Operations against New Madrid and Island No. 10 March 3-April 8. Actions at New Madrid March 12-14. Capture of New Madrid March 14. Island No. 10 April 6. Action and capture at Tiptonville April 8. Expedition to Fort Pillow, Tenn., April 13-17. Moved to Hamburg Landing, Tenn., April 17-24. Advance on and siege of Corinth, Miss., April 29-May 30. Action at Farmington May 3. Reconnoissance toward Corinth May 8. Pursuit to Booneville May 30-June 12. Tuscumbia Creek May 31-June 1. Reconnoissance toward Baldwyn June 3. At Clear Creek till July. March to Tuscumbia, Ala., July 20-25, thence to Nashville, Tenn., August 28-September 15. Action at Columbia September 10. Siege of Nashville September 15-November 6. Repulse of Forest's attack on Edgefield November 5. Duty at Nashville till July 20, 1863. Moved to Murfreesboro, Tenn., July 20, thence march to Columbia, Athens, Huntsville and Stevenson, Ala., August 24-September 7, and to Bridgeport, Ala., September 12. Duty there till October 1. Operations up the Sequatchie Valley against Wheeler October 1-17. Anderson's Cross Roads October 2. Moved to Waldron's Ridge, thence to Kelly's Ferry, and guard lines of transportation till January, 1864. Chattanooga-Ringgold Campaign November 23-27. Chickamauga Station November 26. Veterans on furlough January and February, 1864. Rejoined at Rossville, Ga. Demonstration on Dalton February 22-27. Tunnel Hill, Buzzard's Roost and Rocky Faced Ridge February 23-25. Atlanta Campaign May 1 to September 8. Demonstration on Rocky Faced Ridge May 5-11. Tunnel Hill May 6-7. Buzzard's Roost Gap May 8-9. Battle of Resaca May 14-15. Rome May 17-18. 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 Hill June 11-14. Lost Mountain June 15-17. Assault on Kenesaw June 27. Ruff's Station July 4. Chattahoochie River July 5-17. Vining Station July 17. 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. Operations in North Georgia and North Alabama against Forest and Hood September 29-November 3. Florence, Ala., October 6-7. March to the sea November 15-December 10. Sandersville November 26. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. Fayetteville, N. C., March 11. Near Fayetteville March 13. Averysboro 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. G., via Richmond, Va., April 29-May 19. Grand Review May 24. Moved to Louisville, Ky., June 12.
Mustered out July 8, 1865.
Regiment lost during service 3 Officers and 54 Enlisted men killed and mortally wounded and 3 Officers and 110 Enlisted men by disease. Total 170.