Organized at Camp Dennison, Ohio, October, 1861. Left State for Paducah, Ky., February 17, 1862. Attached to District of Paducah, Ky., to March, 1862. 2nd Brigade, 5th Division, Army of the Tennessee, to May, 1862. 1st Brigade, 5th Division, Army of the Tennessee, to July, 1862. 1st Brigade, 5th Division, District of Memphis, Tenn., to November, 1862. 1st Brigade, 5th Division, District of Memphis, Tenn., Right Wing 13th Army Corps (Old), Dept. of the Tennessee, November, 1862. 1st Brigade, 2nd Division, Right Wing 13th Army Corps, to December, 1862. 2nd Brigade, 2nd Division, Sherman's Yazoo Expedition, to January, 1863. 2nd Brigade, 2nd Division, 15th Army Corps, Army of the Tennessee, to July, 1865. Dept. of Arkansas to August, 1865.

SERVICE:
Moved from Paducah, Ky., to Savannah, Tenn., March 6-12, 1862. Expedition to Yellow Creek, Miss., and occupation of Pittsburg Landing, Tenn., March 14-17. Battle of Shiloh, Tenn., April 6-7. Advance on and siege of Corinth, Miss., April 29-May 30. Russell's House, near Corinth, May 17. March to Memphis, Tenn., via LaGrange, Grand Junction and Holly Springs, June 1-July 21. Duty at Memphis till November. Expedition from Memphis to Coldwater and Hermando, Miss., September 8-13. Grant's Central Mississippi Campaign, "Tallahatchie March," November 26-December 13. Sherman's Yazoo Expedition December 20, 1862, to January 3, 1863. Chickasaw Bayou December 26-28, 1862. Chickasaw Bluff December 29. Expedition to Arkansas Post, Ark., January 3-10, 1863. Assault and capture of Fort Hindman, Arkansas Post, January 10-11. Moved to Young's Point, La., January 17-21, and duty there till March. Expedition up Rolling Fork via Muddy, Steele's and Black Bayous and Deer Creek, March 14-27. Demonstrations on Haines and Drumgould's Bluffs April 29-May 2. Moved to join army in rear of Vicksburg, Miss., May 2-14, via Richmond and Grand Gulf. Battle of Champion's Hill May 16. Siege of Vicksburg, Miss., May 18-July 4. Assaults on Vicksburg May 19 and 22. Advance on Jackson, Miss., July 4-10. Siege of Jackson, Miss., July 10-17. Camp at Big Black till September 26. Moved to Memphis, Tenn., thence march to Chattanooga, Tenn., September 26-November 21. Operations on Memphis & Charleston Railroad in Alabama October 20-29. Bear Creek, Tuscumbia, October 27. Chattanooga-Ringgold Campaign November 23-27. Tunnel Hill November 23-24. Mission Ridge November 25. Pursuit to Graysville November 26-27. March to relief of Knoxville November 28-December 8. March to Chattanooga, Tenn., thence to Bridgeport, Ala., Bellefonte, Ala., and Larkinsville, Ala., December 13-31. Duty at Larkinsville, Ala., to May 1, 1864. Expedition toward Rome, Ga., January 25-February 5. Atlanta (Ga.) Campaign May 1 to September 8. Demonstration on Resaca May 8-13. Near Resaca May 13. Battle of Resaca May 14-15. Movements on Dallas May 18-25. 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 10-July 2. Assault on Kenesaw June 27. Nickajack Creek July 2-5. Chattahoochie River July 6-17. Battle of Atlanta July 22. Siege of Atlanta July 22-August 25. Ezra Chapel, Hood's 2nd sortie, July 28. 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 Hood September 29-November 3. March to the sea November 15-December 10. Siege of Savannah December 10-21. Fort McAllister December 13. Campaign of the Carolinas January to April, 1865. Salkehatchie Swamps, S. C., February 2-5. Cannon's Bridge, South Edisto River, February 9. North Edisto River, February 11-13. Columbia February 16-17. Battle of Bentonville, N. C., March 20-21. 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. Moved to Louisville, Ky., June 2, thence to Little Rock, Ark., and duty there till August. Mustered out August 15, 1865.
Regiment lost during service 4 Officers and 83 Enlisted men killed and mortally wounded and 3 Officers and 143 Enlisted men by disease. Total 233.