Battle Unit Details


99th Regiment, Illinois Infantry

Organized at Florence, Ill., and mustered in August 23, 1862. Moved to St. Louis, Mo., August 23-24, 1862. At Benton Barracks, Mo., till September 8. Moved to Rolla September 8. Attached to District of Rolla, Dept. of the Missouri, to November, 1862. 1st Brigade, 1st Division, District of Southeast Missouri, Dept. of Missouri, to February, 1863. 1st Brigade, 14th Division, 13th Army Corps, Dept. of the Tennessee, to August, 1863. 1st Brigade, 1st Division, 13th Army Corps, Dept. of the Gulf, to June, 1864. District of LaFourche, Dept. Gulf, to August, 1864. 2nd Brigade, 2nd Division, 19th Army Corps, Dept. Gulf, to December, 1864. 1st Brigade, Reserve Corps, Military Division West Mississippi, to February, 1865. 1st Brigade, 1st Division, Reserve Corps, Military Division West Mississippi, February, 1865. 1st Brigade, 1st Division, 13th Army Corps (New), Military Division West Mississippi, to July, 1865.

Moved from Rolla to Salem, Mo., September 17, 1862, and duty there till November 20. Moved to Houston, Mo., November 20, and duty there till January 27, 1863. Action at Beaver Creek, Texas County, November 24, 1862. Hartsville, Wood's Forks, January 11, 1863. Moved to West Plains, Mo., January 27, and duty there till March 3. Moved to Milliken's Bend, La., March 3-15, and duty there till April 11. To New Carthage April 11-12 and duty there till April 25. Movement on Bruinsburg and turning Grand Gulf April 25-30. Battles of Port Gibson, Miss., May 1; Champion's Hill May 16; Big Black River Bridge May 17. Siege of Vicksburg May 18-July 4. Assaults on Vicksburg May 19 and 22. Surrender of Vicksburg July 4. Advance to Jackson, Miss., July 5-10. Siege of Jackson July 10-17. Duty at Vicksburg till August 20. Ordered to New Orleans, La., August 20. Duty at Carrollton, Brashear City and Berwick till October. Western Louisiana Campaign October 3-November 9. Moved to New Orleans November 9-12, thence to Mustang Island, Texas, November 16-25. Duty at Indianola till June, 1864. Moved to Algiers, La., June 16. Duty at Kennersville, Algiers, and Morganza till September. Moved to St. Charles, Ark., September 3-11, and duty there till October 23. Expedition to Duvall's Bluff October 23-November 12. Moved to Little Rock, thence to Memphis, Tenn., November 12-25. At Germantown, Tenn., guarding railroad till December 28. Moved to Memphis, Tenn., December 28, thence to New Orleans, La., January 1-9, 1865. Campaign against Mobile, Ala., and its defences February 1-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. Moved to New Orleans, thence to Shreveport, La., May 28-June 6. To Baton Rouge July 19. Mustered out July 31 and discharged at Springfield, Ill., August 9, 1865.

Regiment lost during service 4 Officers and 47 Enlisted men killed and mortally wounded and 1 Officer and 120 Enlisted men by disease. Total 172.
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