Organized at Indianapolis, Ind., February 23, 1863, from the 71st Indiana Infantry. Company "L" organized September 1, 1863. Company "M" organized October 12, 1863. Regiment left State for Kentucky August 26, 1863. Attached to 1st Division, 23rd Army Corps, Lexington, Ky. Dept. of the Ohio to September, 1863. Wilcox's Command, Left Wing forces 23rd Army Corps, Dept. of the Ohio, to January, 1864. District of the Clinch, Dept. of the Ohio, to April, 1864. 2nd Brigade, 1st Division Cavalry Corps, Dept. of the Ohio, to May, 1864. 1st Brigade, Cavalry Division, 23rd Army Corps, to July, 1864. 2nd Brigade, Cavalry Division, 23rd Army Corps, to August, 1864. Dismounted Brigade, Cavalry Division, 23rd Army Corps, to September, 1864. 1st Brigade, Cavalry Division, 23rd Army Corps, to November, 1864. 2nd Brigade, 6th Division, Wilson's Cavalry Corps, Military Division Mississippi, to June, 1865. District of Middle Tennessee, Dept. of the Cumberland, to September, 1865.
SERVICE.--Reconnaissance to Olympian Springs, Ky., October 8-11, 1863. Moved to Cumberland Gap, Tenn. Knoxville Campaign November 4-December 23. Action at Lenoir Station November 14-15. Campbell's Station November 16. Siege of Knoxville November 17-December 5. Been's Station December 14. Lee County, Va., December 24. Big Springs January 19, 1864 (Detachment). Tazewell January 24. Duty at Mt. Sterling and Nicholasville, Ky., until April. March from Nicholasville to Dalton, Ga., April 29-May 11. Atlanta (Ga.) Campaign May to August. Demonstrations on Dalton May 9-13. Varnell's Station May 12. Battle of Resaca May 14-15. Pine Log Creek May 18. Etowah River, near Cartersville, May 20. Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Allatoona Pass June 1-2. Lost Mountain June 9. Pine Mountain June 10. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Lost Mountain June 11-17. Cheyney's Farm June 27. Assault on Kenesaw June 27. Nickajack Creek July 2-5. Chattahoochie River July 5-17. Sandtown July 6-7. Campbellton July 12-14. Turner's Ferry July 16 and 22. Siege of Atlanta July 22-August 25. Sweetwater July 23. Stoneman's Raid to Macon July 27-August 6. Macon and Clinton July 30. Hillsborough Sunshine Church July 30-31. Jug Tavern, Mulberry Creek, August 3. Moved to Nashville, Tenn., August 28. Pursuit of Wheeler September 24-October 18. Pulaski, Tenn., September 26-27. Waterloo, Ala., October 3. Moved to Dalton, Ga., November 1, and return to Nashville, Tenn., November 26. Battle of Nashville December 15-16. Duty at Nashville until April 1, 1865. At Pulaski, Tenn., and in Middle Tennessee until September. Non-Veterans mustered out June 17, 1865. Regiment mustered out September 15, 1865.
Regiment lost during service 4 Officers and 66 Enlisted men killed and mortally wounded and 2 Officers and 201 Enlisted men by disease. Total 273.