Organized at Madison, Ind., and mustered in August 20, 1862. Ordered to Louisville, Ky., and attached to 1st Brigade, 2nd Division, Army of Kentucky, Dept. of the Ohio. Siege of Munfordsville, Ky., September 14-17. Captured September 17, paroled and sent to Indianapolis, Ind. Reorganizing at Indianapolis till December. Ordered to Memphis, Tenn., December 10. Attached to 1st Brigade, 10th Division, Right Wing 13th Army Corps (Old), Dept. of the Tennessee, December, 1862. 1st Brigade, 1st Division, Sherman's Yazoo Expedition, to January, 1863. 1st Brigade, 10th Division, 13th Army Corps, Army of the Tennessee, to August, 1863. 1st Brigade, 4th Division, 13th Army Corps, Dept. of the Gulf, to June, 1864. 3rd Brigade, 3rd Division, 19th Army Corps, Dept. of the Gulf, to December, 1864. 2nd Brigade, Reserve Division, Military Division West Mississippi, December, 1864.
Sherman's Yazoo Expedition December 20, 1862, to January 3, 1863. Expedition from Milliken's Bend to Dallas Station and Delhi December 25-26. Chickasaw Bayou December 26-28. 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, and duty there till March 8. Expedition to Greenville, Miss., and Cypress Bend, Ark., February 14-29. Moved to Milliken's Bend, La., March 8, and duty there till April 25. Movement on Bruinsburg and turning Grand Gulf April 25-30. Battle of Port Gibson May 1. Battle of Champion's Hill May 16. Big Black River Bridge May 17. 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 July 10-17. Ordered to New Orleans, La., August 24. Duty at Carrollton, Brashear City and Berwick till October. Expedition to New and Amite Rivers September 24-29. Western Louisiana "Teche" Campaign October 3-November 30. Action at Grand Coteau November 3. Moved to Algiers December 13, thence to Texas December 18. Duty at Du Crow's Point, Matagorda Bay, till March, 1864. Reconnoissance on Matagorda Peninsula January 21, 1864. Moved to Algiers, La., March 1. Red River Campaign March 10-May 22. Advance from Franklin to Alexandria March 14-26. Battle of Sabine Cross Roads April 8. Monett's Ferry, Cane River Crossing, April 23. Constructing dam at Alexandria April 30-May 10. Retreat to Morganza May 13-20. At Morganza and Baton Rouge till August Operations in Mobile Bay against Fort Gaines and Morgan August 2-23. Siege and surrender of Fort Gaines August 3-8. Capture of Fort Morgan August 23. Duty at Morganza till December. Expedition to mouth of White River November 12-20. Consolidated with 24th Indiana Infantry December 21, 1864.
Regiment lost during service 1 Officer and 52 Enlisted men killed and mortally wounded and 2 Officers and 194 Enlisted men by disease. Total 249.