Illinois 15th Infantry (Union)
25/04/1861
Organized - Illinois 15th Infantry - Illinois
11/02/1862
Battle - Fort Donelson - Fort Donelson, Tennessee
Early in the war, Union commanders realized control of the major rivers would be the key to success in the Western Theater.READ MORE
06/04/1862
Leadership Change - Regiment - Lieutenant Colonel Edward F. W. Ellis
Lieutenant ColonelEdward F. W. Ellis
06/04/1862
Leadership Change - Regiment - Major William R. Goddard
MajorWilliam R. Goddard
06/04/1862
Battle - Shiloh - Hardin County, Tennessee
29/04/1862
Battle - Siege of Corinth - Corinth, Mississippi
Union forces had captured the railroad junction and important transportation center at Corinth, Mississippi in the spring of 1862 after their victory at Shiloh. After the Battle of Iuka in September, Maj. Gen. Sterling Price's Confederate Army of the West marched to Ripley, Mississippi where it joined Maj. Gen. Earl Van Dorn's Army of West Tennessee. Van Dorn took command of the combined force numbering about 22,000 men. The Rebels marched southeast toward Corinth, hoping to recapture it and then sweep int…READ MORE
28/05/1862
Battle - Corinth, Mississippi
18/05/1863
Leadership Change - Regiment - Colonel George C. Rogers
ColonelGeorge C. Rogers
18/05/1863
Leadership Change - Brigade - Colonel Cyrus Hall
ColonelCyrus Hall
18/05/1863
Leadership Change - Division - Brigadier General Jacob G. Lauman
Brigadier GeneralJacob G. Lauman
18/05/1863
Battle - Vicksburg - Vicksburg, Mississippi
In mid-May, 1863, after six months of unsuccessful attempts, Maj. Gen. Ulysses S. Grant's Army of the Tennessee finally converged on Vicksburg, defended by a Confederate army under Lt. Gen. John C. Pemberton. Capture of the Mississippi River town was critical to Union control of the strategic river. Vicksburg was located on a high river bluff defended with artillery, and Pemberton's men had constructed a series of fortifications in an 8-mile arc surrounding the city on the landward side. After crossing the…READ MORE
31/08/1864
Leadership Change - Brigade - Colonel John Logan
ColonelJohn Logan
31/08/1864
Leadership Change - Division - Brigadier General Giles A. Smith
Brigadier GeneralGiles A. Smith
31/08/1864
Battle - Jonesborough - Clayton County, Georgia
By late August 1865, the city of Atlanta was not yet subdued by Maj. Gen. William T. Sherman's armies. A few supply lines remained open to the city supporting the army of Lieut. Gen. John B. Hood encircled there. Union cavalry raids inflicted only superficial damage, quickly repaired by the Confederates. Sherman determined that if he could destroy the Macon & Western and Atlanta & West Point Railroads to the south the Rebel army would be forced to evacuate the city. On August 25, Union infantry beg…READ MORE
03/02/1865
Battle - Rivers' Bridge - Bamberg County, South Carolina
16/09/1865
Mustered Out - Illinois 15th Infantry - Illinois
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