Organized at Iowa City and mustered in September 9, 1862. Moved to St. Louis, Mo., September 14-18, thence to Rolla, Mo., September 22-23. Attached to District of Rolla, Dept. of Missouri, to February, 1863. 2nd Brigade, 2nd Division, Army of Southeast Missouri, to March, 1863. 2nd Brigade, 14th Division, 13th Army Corps, Dept. Tennessee, to July, 1863. 2nd Brigade, 1st Division, 13th Army Corps, Dept. Tennessee, to August, 1863, and Dept. of the Gulf to March, 1864. 1st Brigade, 1st Division, 13th Corps, Dept. Gulf, to June, 1864. Defences of New Orleans, La., to August, 1864. 2nd Brigade, 2nd Division, 19th Army Corps, Dept. Gulf and Army of tbe Shenandoah, Middle Military Division, to January, 1865. 2nd Brigade, Grover's Division, District of Savannah, Ga., Dept. South, to March, 1865. 1st Brigade, 1st Division, 10th Army Corps, Army Ohio, to April, 1865. District of Savannah, Ga., Dept. South, to July, 1865.
Garrison duty at Rolla, Mo., till January 27, 1863. Moved to West Plains January 27-February 2, 1863. March to Eminence, thence to Iron Mountain, Mo., February 9-26. Moved to St. Genevieve March 9-12, thence to Milliken's Bend, La., March 22-27, and duty there till April 25. Movement on Bruinsburg and turning Grand Gulf April 25-30. Anderson's Hill April 30. Battle of Port Gibson May 1. Bayou Pierrie May 2-3. 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 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 3-7 and to Vermillion Bayou October 8-30. Moved to Brazos Santiago, Texas, November 17-23. Fort Esperanza November 27-30. Duty at DeCrow's Point till January 3, 1864, and at Indianola till March 13. Affair at Lamar February 11 (Detachment). At Matagorda Island till April. Affair Corpus Christi March 24 (Detachment). Moved to Baton Rouge, La., and duty there till July. Moved to Fort Monroe, thence to City Point, Va., July 6-17. Duty at Bermuda Hundred and on north side of the James at Deep Bottom till July 30. Moved to Washington, D. C., July 30-August 1. Sheridan's Shenandoah Valley Campaign August 7-November 28. Berryville September 3-4. Battle of
Opequan, Winchester, September 19. Fisher's Hill September 22. Woodstock September 23. Battle of Cedar Creek October 19. Duty at Kernstown, Winchester and in the Shenandoah Valley till January, 1865. Moved to Savannah, Ga., January 5-22, 1865, and duty there till March. Moved to Newberne and Morehead City, N. C., thence to Augusta, Ga., April 11. Duty there and at Savannah, Ga., till July. Mustered out July 25, 1865.
Regiment lost during service 6 Officers and 108 Enlisted men killed and mortally wounded and 1 Officer and 135 Enlisted men by disease. Total 250.