Organized at Camp Douglas, Chicago, Ills., and mustered in November 30, 1861. Moved from Chicago to Benton Barracks, Mo., thence to Pilot Knob and to Reeve's Station on Big Black, February 16-27, 1862. Attached to Steele's Division, District of Southeast Missouri, to May, 1862. Unattached Cavalry Curtis' Army of Southwest Missouri, to July, 1862. District of Eastern Arkansas, Department of Missouri, to December, 1862. 2nd Brigade, 3rd (Cavalry) Division, District Eastern Arkansas, Department of the Tennessee to January, 1863. 2nd Brigade, 2nd Cavalry Division, 13th Army Corps, Dept. of the Tennessee, to April, 1863. 2nd Brigade, 1st Cavalry Division, 16th Army Corps, Department Tennessee to June, 1863. 1st Brigade, 1st Cavalry Division, 16th Army Corps to August, 1863. 2nd Brigade, 1st Cavalry Division, 16th Army Corps to April, 1864. 3rd Brigade, 1st Cavalry Division, 16th Army Corps to June, 1864. 1st Brigade, Cavalry Division, District West Tennessee, July, 1864. 2nd Brigade, 1st Cavalry Division, District of West Tennessee to November, 1864. 2nd Brigade, 5th Division Cavalry Corps, Military Division Mississippi to July, 1865. District of Alabama to October, 1865.

SERVICE - Moved to Jacksonport, Ark., March, 1862, and duty there until June. Action at Cotton Plant May 14. Village Creek May 21. Reconnaissance from Jacksonport toward Augusta and Des Arc May 26-29. Cache River Bridge May 28. Galloway Farm, near Jacksonport, June 2. Waddell's Farm, Village Creek, June 2 (Cos. "A," "C," "K," "M"). Near Jacksonport June 12 (Detachment). Reconnaissance toward Augusta June 23 (Co. "F"). March to Helena, Ark., June 26-July 14. Stewart's Plantation, Village Creek, June 27. Duty at Helena until April, 1863. Expedition from Helena to Moro November 5-8, 1862 (Detachment). Clarendon August 13. Marianna November 7. LaGrange November 8. Expedition from Helena to Grenada, Miss., November 27-December 5. Yocknapatalfa, near Mitchell's Cross Roads, Miss., December 1. Oakland December 3. Expedition to Duvall's Bluff January 9-16, 1863. Moved to Memphis, thence to Germantown, Tenn., April 4-11. Expedition from LaGrange to Senatobia, Miss., May 21-26. Senatobia May 23 and 25. Operations in Northwest Mississippi June 15-25. Near Holly Springs, Miss., June 16-17. Jackson, Tenn., July 13. Scout from Germantown July 16-20. Coldwater July 28. Expedition from Memphis to Grenada, Miss., August 12-23. Grenada August 17. Expedition from LaGrange to Toon's Station September 11-16. Montezuma September 16. Operations in North Mississippi and West Tennessee against Chalmers October 4-17. Lockhart's Mills October 6. Salem October 8. Ingraham's Mills, near Byhalia, October 12. Wyatt's, Tallahatchie River, October 13. Operations on Memphis and Charleston R. R. November 3-5. Colliersville November 3. Moscow November 5. Operations on Memphis and Charleston R. R. against Lee's attack November 28-December 10. Saulsbury December 3. Wolf Bridge, near Moscow, December 3-4. Scout from Colliersville December 4. Near Colliersville December 13 (Detachment). Near Moscow December 27. Colliersville December 27-28. Oak Ridge January 16, 1864. Smith's Expedition from Colliersville to Okolona, Miss., February 11-26. Near Okolona February 18. Aberdeen February 18. New Albany February 18. West Point and New Albany February 20. Okolona February 21. Ivey's Hill, near Okolona, February 22. Regiment veteranized March 16, 1864, and Veterans on furlough until April 27. Sturgis' Expedition into Mississippi June 1-13 (Detachment). Brice's, or Tishamingo Creek, near Guntown, June 10. Ripley June 11. Smith's Expedition to Tupelo July 5-21. About Pontotoc July 11. Camargo's Cross Roads, Harrisburg, July 13. Tupelo July 14-15. Old Town Creek July 15. Smith's Expedition to Oxford, Miss., August 1-30. Tallahatchie River August 7-9. Hurricane Creek and Oxford August 9. Hurricane Creek August 13-14 and 19. Operations in West Tennessee and Alabama against Hood, and Nashville (Tenn.) Campaign November December. Expedition from Memphis to Moscow November 9-13. Shoal Creek November 11. On line of Shoal Creek November 16-20. Lawrenceburg November 22. Campbellsville November 24. Columbia, Duck River, November 24-27. Mt. Carmel November 28. Franklin November 30. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. Brentwood and West Harpeth River December 17. Spring Hill December 18. Franklin Pike, Curtis Creek and Rutherford Creek December 19. Columbia December 20. Lynnville and Richland Creek December 24. Anthony's Gap, near Pulaski, December 25. Expedition from Eastport to Russellsville, Ala., February 19-23, 1865. Tuscumbia February 20. Duty at Huntsville and Florence, Ala., Eastport, Miss., and Gravelly Springs, Ala., until June. Moved to Iuka, Miss., June 23, thence to Decatur, Ala., July 4. To Montgomery and Selma, Ala., thence to Gainesville August 20. Duty in District of Montgomery, Ala., until October. Mustered out at Selma, Ala., October 31, 1865.

Regiment lost during service 1 Officer and 45 Enlisted men killed and mortally wounded and 6 Officers and 241 Enlisted men by disease. Total 293.