Organized at Peoria, Ill., and mustered in December 20, 1861. Duty at Peoria until February, 1862. Moved to Benton Barracks, Mo., February 22-March 3, and duty there until March 28. Moved to Pittsburg Landing, Tenn., March 25-April 1. (1st Battalion to Crump's Landing and joined Lew Wallace's 3rd Division, Army Tennessee.) Attached to 3rd Division, Army Tennessee, to July, 1862. 6th Division, Army Tennessee, to July, 1862 (2nd and 3rd Battalions). District of Memphis, Tenn., to September, 1862, and District of Jackson, Tenn., to November, 1862 (1st Battalion). District of Corinth, Miss., to September, 1862, and District of Jackson, Tenn., to November, 1862 (2nd and 3rd Battalions). Cavalry Brigade, District of Jackson, Left Wing 13th Army Corps (Old), Dept. of the Tennessee, to December, 1862. Cavalry Brigade, District of Jackson, 16th Army Corps, to March, 1863. Mizner's Cavalry Brigade, 3rd Division, 16th Army Corps, to June, 1863. 4th Brigade, 1st Cavalry Division, 16th Army Corps, to August, 1863. Winslow's Cavalry Brigade, 15th Army Corps, to December, 1863. Winslow's Cavalry Brigade, 17th Army Corps, and District of Vicksburg, Miss., to December, 1864. 3rd Brigade, Cavalry Division, District of West Tennessee, to June, 1865. 1st Brigade, Cavalry Division, District of West Tennessee, to September, 1865.
SERVICE - Battle of Shiloh, Tenn., April 6-7, 1862. Advance on and siege of Corinth, Miss., April 29-May 30. Purdy April 29. Pursuit to Booneville May 30-June 12. Coldwater Station, Miss., June 21 (3rd Battalion). Salisbury, Tenn., August 11. Bolivar, Tenn., August 30. Davis Bridge, Hatchie River, Tenn., September 25. Battle of Corinth, Miss., October 3-4. Pursuit to Hatchie River October 5-12. Grant's Central Mississippi Campaign November, 1862, to January, 1863. Lexington, Tenn., December 18, 1862. Salem Cemetery, near Jackson, Tenn., December 19. Huntington, Tenn., December 29-30. Parker's Cross Roads, Red Mound, December 30-31. Near Yorkville, Tenn., January 28, 1863. Dyersburg January 30. Operations in Northwest Mississippi June 15-25. Near Holly Springs, Miss., June 16-17. Hudsonville and on Helena Road, Miss., June 21, Bolivar, Tenn., July 10. Expedition from Memphis, Tenn., to Grenada, Miss., August 12-23. Grenada August 17. Expedition from LaGrange to Toone Station September 11-16. Ordered to Vicksburg, Miss., and duty in that District until December, 1864. Expedition from Big Black River to Yazoo City, Miss., September 27-October 1, 1863. Brownsville September 28. Morris Ford, near Benton, September 29. Expedition to Canton October 14-20. Canton Road near Brownsville October 15-16. Near Clinton and Vernon Roads October 16. Bogue, Chitto Creek, October 17. Robinson's Mills, near Livingston, October 17. Livingston Road, near Clinton, October 18. Near Natchez, Miss, December 7. Meridian Campaign February 3-March 2, 1864. Champion's Hill February 4. Jackson February 5. Hillsborough February 6. Brandon February 7. Morton February 8. Meridian February 9-13. Hillsborough February 10. Meridian February 13-14. Canton February 29 (Detachment). Brownsville March 3. Expedition from Vicksburg to Yazoo City May 4-21. (Detachment). Benton May 7 and 9. Expedition from Vicksburg to Pearl River July 2-10. Clinton July 5. Clinton and Jackson July 7. Expedition from Vicksburg to Rodney and Fayette September 29-October 3 (Detachment). Expedition from Natchez to Woodville October 4-11 (Detachment). Woodville October 5-6. Operations in Issaqueena and Washington Counties October 24-31. Expedition from Vicksburg to Gaines Landing, Ark., and Bayou Macon, La., November 6-8. Expedition from Vicksburg to Yazoo City November 23-December 4. Moved to Memphis, Tenn., December. Grierson's Raid on Mobile & Ohio R. R. December 21, 1864, to January 15, 1865. Franklin Creek December 21-22. Egypt Station December 28, 1864. Franklin January 2, 1865. Expedition from Memphis to Marion, Ark., January 19-22. Marion, Ark., January 20-21, 1865. Duty on Memphis & Charleston R. R. between Memphis and Grand Junction, Headquarters at LaGrange, Tenn., January to September, 1865. Expedition from Memphis to Brownsville, Miss., April 23-26. Mustered out September 30, 1865. Company "G" served detached as Headquarters Guard, 17th Army Corps, and participated in following: Movements on Bruinsburg and turning Grand Gulf April 25-30, 1863. Siege of Vicksburg, Miss., May 18-July 4. Messenger's Ferry, Big Black River, May 29-30 and July 4. Advance on Jackson, Miss., July 5-10. Siege of Jackson July 10-17. In Atlanta (Ga.) Campaign June 8 to September 8, 1864. About Marietta and against Kenesaw Mountain June 10-July 2. Assault on Kenesaw June 27. Chattahoochie River July 3-17. Battle of Atlanta July 22. Siege of Atlanta July 22-August 25. Flank movement on Jonesboro August 25-30. Battle of Jonesboro August 31-September 1. March to the sea November 15-December 10. Little Ogeechee River December 4. Station No. 5, Georgia Central R. R., December 4. Siege of Savannah December 10-21.
Regiment lost during service 2 Officers and 32 Enlisted men killed and mortally wounded and 8 Officers and 237 Enlisted men by disease. Total 279.