Illinois Regiments in the Western Theater Source: Illinois in the Civil War, Victor Hicken (List not necessarily comprehensive) Illinois Infantry 7th: Donelson, Shiloh Gen. W.H.L. Wallace Second Division (Shiloh) 8th: Donelson, Corinth, Vicksburg Col. Oglesby; Gen. John A. McClernand brigade (Donelson) Gen. John A. Logan; Maj. Gen. McPherson (Vicksburg) 9th: Donelson, Shiloh Col. John McArthur; Gen. Charles F. Smith brigade (Donelson) Gen. Wallace Second Division (Shiloh) 10th: Corinth 11th: Donelson, Shiloh, Vicksburg Lt. Col. Thomas E.G. Ransom; Gen. McClernand brigade (Donelson) Brig. Gen. Thomas E.G. Ransom; Gen. McArthur (Vicksburg) 12th: Donelson, Shiloh Col. John McArthur; Gen. Smith brigade (Donelson) Gen. Wallace Second Division (Shiloh) 13th: Vicksburg 14th: Shiloh, Vicksburg Gen. Stephen Hurlbut’s Fourth Division (Shiloh) 15th: Shiloh Gen. Hurlbut 16th: Corinth 17th: Donelson, Shiloh, Vicksburg Col. William R. Morrison; Gen. McClernand brigade (Donelson) Gen. McPherson (Vicksburg) 18th: Donelson, Shiloh Col. Oglesby; Gen. McClernand brigade (Donelson, Shiloh) 20th: Donelson, Vicksburg Gen. McClernand brigade (Donelson, Vicksburg) Gen. John A. Logan; Maj. Gen. McPherson (Vicksburg) 22nd: Corinth 26th: Corinth, Vicksburg 27th: Corinth 28th: Shiloh Col. Amory Johnson 29th: Donelson Col. Oglesby; Gen. McClernand brigade 31st: Donelson Col. Oglesby; Gen. McClernand brigade 32nd: Donelson, Shiloh Gen. Wallace brigade (Donelson) Col. John Logan (Shiloh) 33rd: Vicksburg Gen. McClernand 34th: Shiloh Gen. Don Carlos Buell 36th: Corinth Col. Greusel 40th: Shiloh Col. John A. McDowell; Gen. William T. Sherman’s Fifth Division 41st: Donelson, Shiloh Col. John McArthur; Gen. Smith brigade (Donelson) Col. Isaac Pugh (Shiloh) 42nd: Corinth 43rd: Shiloh Col. Julius Raith 44th: Corinth Col. Greusel 45th: Donelson, Shiloh, Vicksburg Gen. McClernand brigade (Donelson, Shiloh, Vicksburg) Col. Jasper A. Maltby; Gen. John A. Logan; Maj. Gen. McPherson (Vicksburg) 46th: Shiloh 47th: Corinth, Vicksburg 48th: Donelson Col. Isham N. Haynie; Gen. McClernand brigade 49th: Donelson Col. William R. Morrison; Gen. McClernand brigade 50th: Shiloh 51st: Corinth 52nd: Shiloh, Corinth 53rd: Vicksburg 55th: Shiloh, Vicksburg Gen. Sherman’s Fifth Division (Shiloh) 58th: Donelson, Shiloh Gen. Wallace brigade (Donelson) 61st: Shiloh, Vicksburg Gen. Prentiss’s Sixth Division (Shiloh) 66th: Donelson “Birge’s Sharshooters” 72nd: Vicksburg Brig. Gen. Thomas E.G. Ransom; Gen. McArthur (Vicksburg) 77th: Vicksburg 81st: Vicksburg Gen. John A. Logan; Maj. Gen. McPherson (Vicksburg) 93rd: Vicksburg 95th: Vicksburg Brig. Gen. Thomas E.G. Ransom; Gen. McArthur (Vicksburg) 97th: Vicksburg 99th: Vicksburg Gen. McClernand 108th: Vicksburg 113th: Vicksburg 116th: Vicksburg Brig. Gen. Thomas E.G. Ransom; Gen. McArthur (Vicksburg) 118th: Vicksburg 126th: Vicksburg 130th: Vicksburg 131st: Vicksburg Illinois Light Artillery 1st (select batteries): Shiloh 2nd (select batteries): Donelson, Shiloh Adolph Schwartz, Jasper M. Dresser, Ezra Taylor, Edward McAllister; Gen. McClernand brigade (Donelson) Illinois Cavalry 4th: Henry, Donelson Lyle Dickey 6th: Vicksburg Col. Benjamin H. Grierson 7th: Vicksburg Col. Grierson 11th: Shiloh Gen. Lew Wallace’s Third Divison & Gen. Prentiss’s Sixth Division 15th: Shiloh Carmichael, Stewart Dates— Capture of Fort Henry: February 6, 1862 Capture of Fort Donelson: February 11-16, 1862 Battle of Shiloh: April 6-7, 1862 Siege of Corinth: April 29-June 10, 1862 Battle of Corinth: October 3-4, 1862 Vicksburg Campaign: March-July, 1863 .