Organized at Davenport October 18 to November 2, 1861. Ordered to St. Louis, Mo., November 20, 1861. Attached to Dept. of Missouri to February, 1862. 1st Brigade, 1st Division, Army of Tennessee, to April, 1862. 3rd Brigade, 6th Division, Army of Tennessee, to July, 1862, and District of Corinth, Dept. of Tennessee, to November, 1862. 3rd Brigade, 6th Division, Left Wing 13th Army Corps (Old), Dept. of Tennessee, to December, 1862. 3rd Brigade, 6th Division, 16th Army Corps, Army of Tennessee, to January, 1863. 3rd Brigade, 6th Division, 17th Army Corps, to September, 1863. 3rd Brigade, 1st Division, 17th Army Corps, to April, 1864. 3rd Brigade, 4th Division, 17th Army Corps, to July, 1865.
Moved to Jefferson City, Mo., December 13, 1861, and duty there till March, 1862. Moved to St. Louis, Mo.; thence to Pittsburg Landing, Tenn., March 8-23. Battle of Shiloh, Tenn., April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. Duty at Corinth and Bolivar till November. Battle of Corinth October 3-4. Pursuit to Ripley October 5-12. Grant's Central Mississippi Campaign November, 1862, to January, 1863. Moved to Memphis, Tenn., January 12; thence to Lake Providence, La., January 18, and duty there till April. Expedition to Richmond, La., January 29-31. Richmond January 30. Movement on Bruinsburg and turning Grand Gulf April 25-30. Battle of Port Gibson May 1 (Reserve). Battles of Raymond May 12. Jackson May 14.
Champion's Hill May 16. Big Black River May 17. Siege of Vicksburg May 18-July 4. Assaults on Vicksburg May 19 and 22. Expedition to Mechanicsburg May 26-June 4. Messenger's Ferry June 29-30 (Cos. "A," "D," "F" and "H"). Surrender of Vicksburg July 4. Advance on Jackson, Miss., July 5-10. Guard Ammunition and Subsistance trains. Duty at Vicksburg till February, 1864. Stevenson's Expedition to Monroe, La., August 20-September 12, 1863. Expedition to Canton October 14-20. Meridian Campaign February 3-March 6, 1864. Veterans on furlough March and April. Non-Veterans' garrison at Mound City, Ill. Moved to Clifton, Tenn.; thence to Ackworth, Ga., via Huntsville and Decatur, Ala., and Rome, Ga., April 21-June 8. Atlanta Campaign June 8 to September 8. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Bushy Mountain June 15-17. Assault on Kenesaw June 27. Nickajack Creek July 2-5. Chattahoochie River July 6-17. Leggett's or Bald Hill July 20-21. Battle of Atlanta July 22. 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. Pursuit of Hood into Alabama October 1-21. Snake Creek Gap October 15-16. March to the sea November 15-December 10. Siege of Savannah December 10-21. Campaign of the Carolinas January to April, 1865. Pocotaligo, S. C., January 14-16. Salkehatchie Swamps February 3-5. River's Bridge February 3. South Edisto River February 9. Orangeburg February 11-12. Columbia February 15-17. Cheraw March 3. Fayetteville, N. C., March 11. Battle of Bentonville March 20-21. Occupation of Goldsboro March 24. Advance on Raleigh April 9-13. 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 20. Grand Review May 24. Moved to Louisville, Ky., June. Mustered out July 21, 1865.
Regiment lost during service 5 Officers and 114 Enlisted men killed and mortally wounded and 4 Officers and 205 Enlisted men by disease. Total 328.