Organized at Dixon, Ill., and mustered into State service April 21, 1861. Mustered into U. S. service by Capt. John Pope May 24, 1861, being the first three years Regiment from Illinois mustered into U. S. service. Moved to Caseyville, Ill., June 16, thence to Rolla, Mo., July 5-6, being first Regiment to cross Mississippi River into hostile Missouri. Attached to Fremont's Army of the West July to October, 1861. District of Rolla, Dept. of Missouri, to January, 1862. Unattached, Army of Southwest Missouri, to March, 1862. 1st Brigade, 2nd Division, Army of Southwest Missouri, to July, 1862. Helena, Ark., District of Eastern Arkansas, Dept. of Missouri, to November, 1862. 2nd Brigade, 2nd Division, District of Eastern Arkansas, Dept. of the Tennessee, to December, 1862. 2nd Brigade, 11th Division, 13th Army Corps (Old), Dept. of the Tennessee, December, 1862. 1st Brigade, 4th Division, Sherman's Yazoo Expedition, to January, 1863. 1st Brigade, 1st Division, 15th Army Corps, Army of the Tennessee, to April, 1864. Unassigned, 3rd Division, 15th Army Corps, to June, 1864.
SERVICE:
Duty at Rolla, Mo., till October 10, 1861. Fremont's advance on Springfield, Mo., October 10-November 7. Action at Wet Glaize October 13. Linn Creek October 15. Return to Rolla November 10, and duty there till March, 1862. Action at Salem, Mo., December 3, 1861. Ordered to join Curtis at Pea Ridge, Ark., March 6, 1862. March to Helena, Ark., April 8-July 14. Duty at Helena, Ark., till December. Sherman's Yazoo Expedition December 22, 1862-January 3, 1863. Chickasaw Bayou December 26-28. Chickasaw Bluffs December 29. Expedition to Arkansas Post, Ark., January 3-10, 1863. Assault and capture of Arkansas Post, Arkansas Post, January 10-11. Moved to Young's Point January 17, and duty there till March. Expedition to Greenville, Miss., February 14-26. Expedition from Milliken's Bend to Greenville, Black Bayou and Deer Creek, Miss., April 2-14. Demonstration against Haines' and Drumgould's Bluffs April 29-May 1. Moved to join army in rear of Jackson, Miss., via Richmond and Grand Gulf, May 2-14. Jackson May 14. Siege of Vicksburg, Miss., May 18-July 4. Assaults on Vicksburg May 19 and 22. Surrender of Vicksburg July 4. Advance on Jackson, Miss., July 5-10. Siege of Jackson July 10-17. Brandon July 19. Camp at Big Black till September 27. Movement to Memphis, thence to Chattanooga, Tenn., September 27-November 21. Operations on Memphis & Charleston R. R. in Alabama October 20-29. Cherokee Station October 21. Tuscumbia and Barton Station October 24-25. Bear Creek, Tuscumbia, October 27. Chattanooga-Ringgold Campaign November 23-27. Battles of Lookout Mountain November 23-24. Mission Ridge November 25. Captured flag of the 18th Alabama Infantry. Ringgold Gap, Taylor's Ridge, November 27. Stationed at Madison Station, Ala., till May, 1864. Action at Madison Station April 17. Resaca, Ga., May 13-15 (Detachment). Mustered out June 18, 1864.
Regiment lost during service 6 Officers and 61 Enlisted men killed and mortally wounded and 2 Officers and 123 Enlisted men by disease. Total 192.
