Organized at Rushville and Indianapolis, Ind., February 1, 1862. Left State for Fort Donelson, Tenn., February 7. Attached to 1st Brigade, 3rd Division, Army of the Tennessee, to March, 1862. Garrison Forts Henry and Donelson, Tenn., to April, 1862. 1st Brigade, 4th Division, Army of the Tennessee, to May, 1862. 2nd Brigade, 4th Division, Army of the Tennessee, to July, 1862. 2nd Brigade, 4th Division, District of Memphis, Tenn., to September, 1862. Garrison Fort Pillow, Tenn., to November, 1862. District of Columbus, Ky., 13th Army Corps (Old), Dept. of the Tennessee, to January, 1863. District of Columbus, Ky., 6th Division, 16th Army Corps, to January, 1864. 3rd Brigade, 3rd Division, 16th Army Corps, to December, 1864. 3rd Brigade, 2nd Division (Detachment), Army of the Tennessee, Dept. of the Cumberland, to February, 1865. 3rd Brigade, 2nd Division, 16th Army Corps (New), Military Division West Mississippi, to August, 1865.
Investment and capture of Fort Donelson, Tenn., February 12-16, 1862. Garrison at Forts Henry and Heiman till April 18. Action at Paris March 11 (Detachment). Moved to Pittsburg Landing, Tenn., April 18. Advance on and siege of Corinth, Miss., April 29-May 30. March to Memphis, Tenn., via Grand Junction, LaGrange and Holly Springs, June 1-July 21. Duty at Memphis till September. Action near Memphis September 2. Durhamsville September 17. Garrison duty at Fort Pillow, Tenn., and operations against guerillas in Tennessee and Arkansas September 30, 1862, to January 18, 1864. Expedition to Jackson September 19-25, 1863 (Detachment). Expedition to Covington, Durhamsville and Fort Randolph September 28-October 5, 1863. Scout from Fort Pillow November 21-22. Ordered to Vicksburg, Miss., January 18, 1864. Meridian Campaign February 3-March 2. Clinton February 5. Meridian February 14-15. Veterans absent on furlough March and April. Left Vicksburg March 4, arriving home March 17. Left for field April 23. Reached Columbus, Ky., April 26. Moved to Morganza, La., thence to Vicksburg, Miss. Non-Veterans temporarily attached to 89th Indiana Infantry. Red River Campaign March 10-May 22. Fort DeRussy March 14. Bayou Rapides March 21. Battle of Pleasant Hill April 9. Cane River Crossing April 23. At Alexandria April 26-May 13. Moore's Plantation May 3. Bayou LeMourie May 6. Retreat to Morganza May 13-20. Mansura May 16. Yellow Bayou May 18. Moved to Vicksburg, Miss., thence to Memphis, Tenn., May 20-June 10. Lake Chicot, Ark., June 6-7. Colliersville, Tenn., June 23. Near Lafayetteville June 23. Smith's Expedition to Tupelo July 5-21. About Pontotoc July 11-12. Harrisburg, near Tupelo, July 14-15. Old Town (or Tishamingo) Creek July 15. Smith's Expedition to Oxford, Miss., August 1-30. March through Missouri in pursuit of Price September 26-November 19. Moved to Nashville, Tenn., November 26-December 1. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-23. Duty at Clifton, Tenn., and Eastport, Miss., till February, 1865. Moved to New Orleans February 6-17. Campaign against Mobile and its defences March 17-April 12. Siege of Spanish Fort and Fort Blakely March 26-April 8. Assault and capture of Fort Blakely April 9. Occupation of Mobile April 12. March to Montgomery April 13-25, and duty there till July 14. At Tuskeegee till August 28. Mustered out September 10, 1865.
Regiment lost during service 2 Officers and 26 Enlisted men killed and mortally wounded and 2 Officers and 175 Enlisted men by disease. Total 205.