Skip to content

Illinois 15th Infantry (Union)

1861-04-25

Organized - Illinois 15th Infantry - Illinois

1862-02-11

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

1862-04-06

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

Lieutenant ColonelEdward F. W. Ellis

1862-04-06

Leadership Change - Regiment - Major William R. Goddard

1862-04-06

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

1862-04-29

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

1862-05-28

Battle - Corinth, Mississippi

1863-05-18

Leadership Change - Regiment - Colonel George C. Rogers

1863-05-18

Leadership Change - Brigade - Colonel Cyrus Hall

ColonelCyrus Hall

1863-05-18

Leadership Change - Division - Brigadier General Jacob G. Lauman

Brigadier GeneralJacob G. Lauman

1863-05-18

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

1864-08-31

Leadership Change - Brigade - Colonel John Logan

ColonelJohn Logan

1864-08-31

Leadership Change - Division - Brigadier General Giles A. Smith

Brigadier GeneralGiles A. Smith

1864-08-31

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

1865-02-03

Battle - Rivers' Bridge - Bamberg County, South Carolina

1865-09-16

Mustered Out - Illinois 15th Infantry - Illinois

Related Records

Search for related service records