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Illinois 15th Infantry (Union)

4/25/61

Organized - Illinois 15th Infantry - Illinois

2/11/62

Battle - Fort Donelson - Fort Donelson, Tennessee

Fort Donelson
Fort Donelson

Early in the war, Union commanders realized control of the major rivers would be the key to success in the Western Theater.READ MORE

4/6/62

Leadership Change - Regiment - Lieutenant Colonel Edward F. W. Ellis

Lieutenant ColonelEdward F. W. Ellis

4/6/62

Leadership Change - Regiment - Major William R. Goddard

4/6/62

Battle - Shiloh - Hardin County, Tennessee

Shiloh
Shiloh

On the morning of April 6, 1862, 40,000 Confederate soldiers under the command of Gen. Albert Sidney Johnston poured out of the nearby woods and struck the encamped divisions of Union soldiers occupying ground near Pittsburg Landing on the Tennessee River.READ MORE

4/29/62

Battle - Siege of Corinth - Corinth, Mississippi

Siege of Corinth
Siege of Corinth

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

5/28/62

Battle - Corinth, Mississippi

5/18/63

Leadership Change - Regiment - Colonel George C. Rogers

5/18/63

Leadership Change - Brigade - Colonel Cyrus Hall

ColonelCyrus Hall

5/18/63

Leadership Change - Division - Brigadier General Jacob G. Lauman

Brigadier GeneralJacob G. Lauman

5/18/63

Battle - Vicksburg - Vicksburg, Mississippi

Vicksburg
Vicksburg

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

8/31/64

Leadership Change - Brigade - Colonel John Logan

ColonelJohn Logan

8/31/64

Leadership Change - Division - Brigadier General Giles A. Smith

Brigadier GeneralGiles A. Smith

8/31/64

Battle - Jonesborough - Clayton County, Georgia

Jonesborough
Jonesborough

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

2/3/65

Battle - Rivers' Bridge - Bamberg County, South Carolina

9/16/65

Mustered Out - Illinois 15th Infantry - Illinois

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