Organized at Indianapolis, Ind., and mustered in June 12, 1861. Left State for Parkersburg, W. Va., July 1. Attached to District of the Kanawha, West Virginia, to September, 1861. Cheat Mountain District, W. Va., to November, 1861. 15th Brigade, Army of the Ohio, to January, 1862. 15th Brigade, 4th Division, Army of the Ohio, January, 1862. 15th Brigade, 6th Division, Army of the Ohio, to September, 1862. 15th Brigade, 6th Division, 2nd Corps, Army of the Ohio, to November, 1862. 1st Brigade, 1st Division, Left Wing 14th Army Corps, Army of the Cumberland, to December, 1862. 2nd Brigade, 5th Division (Center), 14th Army Corps, to January, 1863. 2nd Brigade, 5th Division, 14th Army Corps, to June, 1863. 1st Brigade, 4th Division, 14th Army Corps, to October, 1863. Wilder's Mounted Brigade, Army of the Cumberland, to November, 1863. 2nd Brigade, 2nd Cavalry Division, Army of the Cumberland, November, 1863. 3rd Brigade, 2nd Cavalry Division, Army of the Cumberland, to October, 1864. 1st Brigade, 2nd Division, Wilson's Cavalry Corps, Military Division Mississippi, to August, 1865.
SERVICE.-Moved to Oakland, W. Va., July 23, 1861-thence to Camp Pendleton and duty there till August 7. Moved to Cheat Mountain Pass and Elkwater August 7-13. Operations on Cheat Mountain September 11-17. Elkwater September 11. Point Mountain Turnpike September 11-12. Cheat Mountain Pass September 12. Elkwater September 14. Action at Greenbrier River October 3-4. Moved to Louisville, Ky., November 19 and duty there till December 10. At Camp Wickliffe, Ky., till February 10, 1862. Advance on Bowling Green, Ky., and Nashville, Tenn., February 10-March 12. March to Savannah, Tenn., March 29-April 7. Lawrenceburg April 4. Arrive at Pittsburg Landing April 7. Advance on and siege of Corinth, Miss., April 29-May 30. Pursuit to Booneville May 31-June 6. Buell's Campaign in Northern Alabama and Middle Tennessee June to August. Little Pond, near McMinnville, Tenn., August 30. March to Louisville, Ky., in pursuit of Bragg September 3-26. (Siege of Munfordsville, Ky., September 16-21. A detachment of recruits en route to join Regiment captured September 21.) Moved to Bardstown, Ky., October 1 and duty there till October 18. March to Nashville, Tenn., via Lebanon, Columbia, Glasgow, Ky., and Gallatin, Tenn., October 18-November 26. Duty at Nashville till February 1, 1863. Moved to Murfreesboro, Tenn., February 1 and duty there till June. Expedition to Auburn, Liberty and Alexandria February 3-8. Regiment mounted February 12, and assigned to duty as Mounted Infantry. Expedition to Woodbury March 3-8. Action at Woodbury March 6. Expedition to Liberty, Carthage and Lebanon April 1-8. Expedition to McMinnville April 20-30. Armed with Spencer Carbines May 18. Middle Tennessee (or Tullanoma) Campaign June 23-July 7. Big Spring Gap June 24. Hoover's Gap June 24-26. Occupation of Manchester June 27. Raid on Bragg's communications July 1-August 16. Captured depot of supplies at Dechard. Passage on the Cumberland Mountains and Tennessee River and Chickamauga (Ga.) Campaign August 16-September 22. Capture of Chattanooga September 9. Ringgold, Ga., September 11. Lee and Gordon's Mills September 12. Loot's Tan Yard September 12-13. Alexander's Bridge and Hall's House September 18. Vinyard's House September 19. Battle of Chickamauga September 19-21. Widow Glen's House September 20. Operations against Wheeler and Roddy September 29-October 17. Thompson's Cove, near Beersheba October 3. Glass Cocks October 4. Munfreesboro Road, near McMinnville, October 4. Farmington October 7. Sim's Farm, near Shelbyville, October 7. Shelbyville October 10. Expedition from Maysville to Whitesburg and Decatur November 14-17. Chattanooga-Ringgold Campaign November 23-27. Raid on East Tennessee & Georgia R. R. November 24-27. Charleston and Cleveland November 26. March to relief of Knoxville, Tenn., November 28-December 8. Duty at Pulaski, Charleston and Nashville, Tenn., till May, 1864. Regiment re-enlisted January 4, 1864. Veterans on Furlough January 22 to April 2. Atlanta (Ga.) Campaign May 1 to September 8. Joined Sherman May 10. Battle of Resaca May 14-15. Movements on Dallas May 18-25. Near Dallas May 24. Operations on line of Pumpkin Vine Creck and battles about Dallas, New Hope Church and Allatoona Hills May 25-June 5. Big Shanty June 9. Operations about Marietta and against Kenesaw Mountain June 10-July 2. Noonday Creek June 19. Powder Springs June 20-27. Rottenwood Creek July 4. Chattahoochie River July 5-17. Covington July 22. Siege of Atlanta July 22-August 25. Garrard's Raid to South River July 27-31. Flat Rock Bridge July 28. Lovejoy Station July 29-30. Newnan's July 30. Operations at Chattahoochie River Bridge August 26-September 2. Operations against Hood in North Georgia and North Alabama September 29-November 1. Near Lost Mountain October 4-7. New Hope Church October 5. Dallas October 7. Rome October 10-11. Narrows October 11. Coosaville Road, near Rome, October 13. Near Summerville October 18. Little River October 20. Leesburg and Grove Road Crossing, Ala., October 21. Goshen October 28. Dismounted November 1 and ordered to Louisville, Ky. Duty there till December 28. Moved to Nashville, Tenn., thence to Gravelly Springs, Ala., and duty there till March, 1865. Wilson's Raid to Macon, Ga., March 22-April 24. Plantersville, Ala., April 1. Selma April 2. Montgomery April 12. Columbia April 16. Spring Hill, Mimm's Mills, Tobasofkee Creek. Montpelier Springs and Rocky Creek Bridge, near Macon, April 20. Capture of Macon April 20. Post duty at Macon till August. Mustered out August 8, 1865.
Regiment lost during service 3 Officers and 90 Enlisted men killed and mortally wounded and 1 Officer and 143 Enlisted men by disease. Total 237.
1 Source: National Park
Service, Soldiers and Sailors System; "A Compendium of the War of the Rebellion" by Frederick H. Dyer,Cosmas; An Army for Empire : The United States Army in the Spanish American War by A. Graham, (Shippensburg, PA: White Mane Publishing Co., 1993).