Organized at Dubuque August, 1862. Moved to St. Louis, Mo., September 16. Attached to District of Rolla, Dept. of Missouri, to October, 1862. Warren's Brigade, District of Southeast Missouri, Dept. of Missouri, to January, 1863. 2nd Brigade, 2nd Division, Army of Southeast Missouri, Dept. of Missouri, to March, 1863. 2nd Brigade, 14th Division, 13th Army Corps, Dept. of Tennessee, to July, 1863. 2nd Brigade, 1st Division, 13th Army Corps, Dept. of Tennessee, to August, 1863, and Dept. of the Gulf to March, 1864. 1st Brigade, 1st Division, 13th Army Corps, Dept. of the Gulf, to June, 1864. District of LaFourche, Dept. of the Gulf, to August, 1864. 2nd Brigade, 2nd Division, 19th Army Corps, Dept. of the Gulf, to December, 1864. 1st Brigade, Reserve Corps, Military Division West Mississtppi, to February, 1865. 1st Brigade, 1st Division, Reserve Corps, Military Division West Mississippi, to February, 1865. 1st Brigade, 1st Division, 13th Army Corps, Military Division West Mississippi, to July, 1865.
Moved from St Louis to Rolla, Mo., September 22, 1862, and duty there till October 18. Moved to Salem October 18-20, and duty there till November. Moved to Houston and Hartsville. Action at Beaver Creek, Texas County, Mo., November 24 (Detachment). Moved to Houston December, and duty there till January 27, 1863. March to relief of Springfield, Mo., January 9-17. Action at Hartsville, Wood's Fork, January 11. Moved to West Plains January 27-February 2, thence to Iron Mountain February 9-25, and to St. Genevieve March 9-11. Moved to Milliken's Bend, La., March 15-22, and duty there till April 25. Movement on Bruinsburg and turning Grand Gulf April 25-30. Battle of Port Gibson May 1. Bayou Pierrie May 2-3. Battle of
Champion Hill May 16. Big Black River May 17. Siege of
Vicksburg, Miss., May 18-July 4. Assaults on Vicksburg May 19 and 22. Advance on Jackson, Miss., July 5-10. Siege of Jackson July 10-17. Ordered to Dept. of the Gulf August 13. Duty at Carrollton, Brashear City and Berwick till October 3. Western Louisiana Campaign October 3-November 17. Expedition to New Iberia October 3-6 and to Vermillion Bayou October 8-30. Moved to Brazos, Santiago, Texas, November 22-26. At Matagorda Island and Indianola till March, 1864, and at Matagorda Island till June. Moved to New Orleans, La., and provost duty at Algiers, Carrollton and Thibodeaux till July 26. Moved to Morganza July 26, and duty there till September 3. Moved to mouth of White River, Ark., September 3. Duty there and at St. Charles and Duvall's Bluff till December. At Memphis, Tenn., till January, 1865. Ordered to New Orleans, La., January 1, thence to Kennersville Station, and duty there till February 5. Moved to Dauphin Island. Ala., February 5. Campaign against Mobile and its defences March 17 to April 12. Siege of Spanish Fort and Fort Blakely March 26-April 8. Assault on and capture of Fort Blakely April 9, Occupation of Mobile April 12 to May 26. Moved to Shreveport, La., May 26-June 8, and duty there and in District of LaFourche till July. Mustered out July 25, 1865.
Regiment lost during service 4 Officers and 77 Enlisted men killed and mortally wounded and 1 Officer and 168 Enlisted men by disease. Total 250.