Organized at Madison, Wis., and mustered in October 18, 1861. Ordered to St. Louis, Mo., November 19, thence to Sulphur Springs and duty there and by detachments along Iron Mountain Railroad until March, 1862. Attached to Dept. of Missouri to March, 1862. District of Southeast Missouri, Dept. of Missouri, May, 1862. 1st Brigade, 1st Division, Army of Southwest Missouri, Dept. of Missouri, to July, 1862. District of Eastern Arkansas, Dept. of Missouri, to October, 1862. 1st Brigade, 1st Division, District of Southeast Missouri, Dept. of Missouri, to March 1863. 2nd Brigade, 14th Division, 13th Army Corps, Army, of the Tennessee, to July, 1863. 2nd Brigade, 1st Division, 13th Army Corps, Army of the Tennessee, to August, 1863, and Dept. of the Gulf to May, 1864. District of La Fourche, Dept. of the Gulf, to February, 1865. 3rd Brigade, 2nd Division, 16th Army Corps (New), Military Division West Mississippi, to September, 1865.
SERVICE:
Ordered to Pilot Knob, Mo., March 12, 1862, thence moved to Reeve's Station, Black River, March 23-27, and to White River April 19. March to Batesville, Ark., thence to Helena, Ark., May 25-July 13. Hill's Plantation, Cache River, July 7. Moved to Oldtown July 26 and duty there until September 20. Expedition after cotton July 30-August 4. Action at Totten's Plantation, near Oldtown, August 2 (Cos. "C," "E," "G," "H," "I" and "K"). Moved to Sugar Point September 20, thence to Pilot Knob, Mo., October 3, and duty there until November 2. Railroad guard and patrol duty at Patterson, Van Buren, West Plains and Middlebrook until March, 1863. Ordered to Helena, Ark., March 11, thence to Milliken's Bend, La. Movement on Bruinsburg and turning Grand Gulf April 25-30. Battle of Port Gibson May 1 (Reserve). Battle of Champion's 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 4-10. Siege of Jackson July 10-17. Ordered to Dept. of the Gulf August 13. Duty at Carrollton, Breasher City and Berwick until October. Western Louisiana Campaign October 3-November 10. Expedition to New Iberia October 3-6, and to Vermillionville Bayou October 8-30. Moved to Berwick City November 10. Expedition to Brazos Santiago, Texas, November 17-23. Duty at Matagorda Bay and Indianola until February, 1864. Regiment veteranized January, 1864, and remustered February 13. On furlough February 14-April 25. Moved to Memphis, Tenn., April 25-29. Sturgis' Expedition through Western Tennessee and Northern Mississippi May 2-9. Moved to Carrollton, La., May 11-15, thence to Brashear City May 19, and post and outpost duty at that point until February, 1865. Company "D" detached to Bayou Louis May 26, 1864; Company "E" to Tigerville May 31, 1864. Company "K" detached to Tigerville June 6; rejoined Regiment June 23. Companies "D" and "E" rejoined Regiment July 20. Expedition to Bayou Long June 30 (Cos. "A," "G" and "I"). Expedition to Grand Lake June 25 (Co. "F"). Expedition to Grand Lake July 27 (Cos. "E," "D" and "K"). Expedition to Grand River September 8 (Cos. "B" and "G") and again September 13 (Cos. "A," "C," "H" and "I"). Expedition to Grand River September 26-30. Non-veterans mustered out October 25, 1864. Expedition to Belle River October 22-24. Expedition to Bayou Portage November 17-19. Lake Fausse River November 18. Bayou La Fourche, Ash Bayou, November 18-19. Expedition from Brashear City to Bayou Sorrel January 21-22, 1865 (Co. "D"). Expedition from Brashear City to Lake Verret February 10-11 (Detachment). Moved to New Orleans, La., February 26. Campaign against Mobile and its Defenses March 17-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 and duty there until July. Moved to Mobile July 23 and duty there until September. Mustered out September 5, 1865.
Regiment lost during service 6 Officers and 80 Enlisted men killed and mortally wounded and 4 Officers and 253 Enlisted men by disease. Total 373.
