Organized at Fort Snelling, Minn., March 15 to April 30, 1862. Company "D" moved to Fort Abercrombie, D. T., March 15-29, and garrison duty there (with a detachment at Georgetown till August 20) till November, 1862. Action at Fort Abercrombie June 20. Defense of Fort Abercrombie September 3-26. Actions with Sioux Indians September 3-6. Company ordered to join Regiment and joined at Germantown, Tenn., February 14, 1863. Company "C" moved to Fort Ripley March, 1862. and garrison duty there till November, 1862. Rejoined Regiment near Oxford, Miss., December 12, 1862. (Part of Company under Lieut. T. J. Sheban, marched to Fort Ridgly June 19-28, 1862.) Company "B" moved to Fort Ridgly March 22-25, 1862, and garrison duty there till November, 1862. Companies "B" and "C" march to Sioux Agency on Yellow Medicine River June 30-July 2, to preserve order during annuity payment to Indians. Sioux outbreak August, 1862. Battle of Redwood August 18 (Co. "B"). Defence of Fort Ridgly August 20-22 (Cos. "B" and "C"). (A detachment of Co. "C" moved to Fort Ripley September 18.) Company "B" marched for Fort Snelling November 9 as escort to captured Indians. Rejoined Regiment near Oxford, Miss., December 12, 1862. Regiment moved to Mississippi May 10-24, 1862. Attached to 2nd Brigade, 2nd Division, Army of Mississippi, to November, 1862. 2nd Brigade, 8th Division, Left Wing 13th Army Corps (Old), Dept. of thc Tennessee, to December, 1862. 2nd Brigade, 8th Division, 16th Army Corps, Army of the Tennessee, to April, 1863. 2nd Brigade, 3rd Division, 15th Army Corps. to December, 1863. 2nd Brigade, 1st Division, 16th Army Corps, to November, 1864. 2nd Brigade, 1st Division (Detachment), Army of the Tennessee, Dept. of the Cumberland, to February, 1865. 2nd Brigade, 1st Division, 16th Army Corps, Military Division West Mississippi, to September, 1865.

SERVICE: Siege of Corinth, Miss., May 26-30, 1862. Action near Corinth May 28. Occupation of Corinth May 30 and pursuit to Booneville May 31-June 12. At Camp Clear Creek till July 3. Moved to Rienzi July 3, thence to Tuscumbia, Ala., August 18-22, and duty there till September 13. Moved to Clear Creek September 13-14, thence to Iuka, Miss., September 16. Skirmish at Iuka September 16. Battle of Iuka September 19. Battle of Corinth October 3-4. Pursuit to Ripley October 5-12. Grant's Central Mississippi Campaign November, 1862, to January, 1863. At Jackson, Tenn., till March 12, 1863. Moved to Memphis, Tenn., thence to Duckport, La., March 12-April 1. Demonstration on Haines and Drumgould's Bluffs April 29-May 2. Movement to join army in rear of Vicksburg, Miss., via Richmond and Grand Gulf May 2-14. Mississippi Springs May 13. Jackson May 14. Siege of Vicksburg May 18-July 4. Expedition to Mechanicsburg and Satartia June 2-8. Satartia June 4. Expedition from Young's Point to Richmond, La., June 14-16. Richmond, La., June 15. Advance toward Jackson July 5. Guard duty at Black River Bridge till July 22. At Bear Creek till October. Expedition to Canton October 14-20. Bogue Chitto Creek October 17. Moved to Memphis, Tenn., November 14-20, thence to LaGrange, Tenn., and guard Memphis & Charleston Railroad and scouting after Forest till January 26, 1864. Moved to Vicksburg, Miss., January 26-February 3. Meridian Campaign February 3-March 2. At Black River Bridge till February 23. March to Canton and return to Vicksburg February 23-March 7. Regiment veteranize February 12, 1864. Red River Campaign March 10-May 22. Fort DeRussy March 14. Occupation of Alexandria March 16. Henderson's Hill March 21. Grand Ecore April 2. Campti April 3. Battle of Pleasant Hill April 9. About Cloutlersville, Cane River, April 22-24. At Alexandria April 26-May 13. Moore's Plantation May 3. Bayou LaMourie May 6-7. Bayou Roberts May 7. Retreat to Morganza May 13-20. Mansura May 16. Yellow Bayou May 18. Moved to Vicksburg, Miss., May 22-24, thence to Memphis, Tenn., June 4-10. Action at Old River Lake June 6. Defeat of Marmaduke. Veterans on furlough June 17-August 17. Smith's Expedition to Tupelo July 5-21 (Non-Veterans). Camargo's Cross Roads July 13. Harrisburg, near Tupelo, July 14-15. Tishamingo or Old Town Creek July 15. Smith's Expedition to Oxford, Miss., August 1-30. Abbeville August 23. Mower's Expedition to Brownsville, Ark., September 2-10. March through Arkansas and Missouri in pursuit of Price September 17-November 15. Moved to Nashville, Tenn., November 24-30. Battle of Nashville December 15-16. Pursuit of Hood to the Tennessee River December 17-28. Moved to Eastport, Miss., and duty there till February, 1865. Moved to New Orleans, La., February 6-22. Campaign against Mobile, Ala., and its Defences March 7-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. Duty at Montgomery, Selma and Demopolis, Ala., till August. Mustered out September 6, 1865.

Regiment lost during service 4 Officers and 86 Enlisted men killed and mortally wounded and 4 Officers and 175 Enlisted men by disease. Total 269.