Illinois 20th Infantry (Union)
13/06/1861
Organized - Illinois 20th Infantry - Illinois
06/02/1862
Battle - Fort Henry - Stewart County, Tennessee; Henry County, Tennessee; Calloway County, Kentucky
Beginning in the autumn of 1861, a variety of voices in the Union command structure began speculating on the possibility of seizing Forts Henry and Donelson to open a water route into the Confederate heartland. On January 30, 1862, Brig. Gen. Ulysses Grant received the long-anticipated word that he and Flag Officer Andrew Foote would lead a joint expedition against the twin forts. The two divisions of infantry under Grant numbered some 15,000 men and were accompanied by Foote's flotilla of ironclad and tim…READ MORE
11/02/1862
Leadership Change - Brigade - Colonel William H. L. Wallace
ColonelWilliam H. L. Wallace
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 - Captain O. Frisbie, Lieutenant Colonel Evan Richards, and Major F. A. Bartleson
06/04/1862
Leadership Change - Brigade - Colonel C. Carroll Marsh
ColonelC. Carroll Marsh
06/04/1862
Leadership Change - Regiment - Lieutenant Colonel Evan Richards
Lieutenant ColonelEvan Richards
06/04/1862
Leadership Change - Regiment - Major F. A. Bartleson
MajorF. A. Bartleson
06/04/1862
Battle - Shiloh - Hardin County, Tennessee
01/05/1863
Battle - Port Gibson - Claiborne County, Mississippi
On April 30, 1863, Maj. Gen. Ulysses S. Grant's army crossed the Mississippi River at Bruinsburg, 30 miles south of his objective of Vicksburg. Grant hoped to move east toward the capital at Jackson to block the Confederate army there under Gen. Joseph E. Johnston from reinforcing Vicksburg. Port Gibson, ten miles east of Bruinsburg on the Bayou Pierre River, commanded the best approach routes and was the first Federal objective. A Confederate force there was commanded by Maj. Gen. John S. Bowen. Grant's A…READ MORE
12/05/1863
Leadership Change - Regiment - Lieutenant Colonel Evan Richards, and Major Daniel Bradley
Lieutenant ColonelEvan Richards
MajorDaniel Bradley
12/05/1863
Leadership Change - Brigade - Brigadier General John E. Smith
Brigadier GeneralJohn E. Smith
12/05/1863
Leadership Change - Regiment - Lieutenant Colonel Evan Richards
Lieutenant ColonelEvan Richards
12/05/1863
Battle - Raymond - Hinds County, Mississippi
On May 12th, 1863, after days of hard marching towards Jackson, Mississippi, Maj. Gen. Ulysses S. Grant fought to secure the crossings of Fourteenmile Creek southwest of Raymond, which would provide a vital water source for his men and animals and serve as a staging area for a strike on the Confederate rail supply line between Clinton and Edwards, Mississippi. Cutting the railroad here would cut off supplies to Grant's ultimate goal, the Mississippi River city of Vicksburg 30 miles to the west. At around…READ MORE
16/05/1863
Leadership Change - Regiment - Major Daniel Bradley
MajorDaniel Bradley
16/05/1863
Battle - Champion Hill - Hinds County, Mississippi
The Battle of Champion Hill was the largest and bloodiest action of Maj. Gen. Ulysses S. Grant's Vicksburg Campaign.READ MORE
17/05/1863
Battle - Big Black River Bridge - Hinds County, Mississippi
Reeling from their defeat at Champion Hill and heading west toward Vicksburg, the Confederates reached Big Black River Bridge, the night of May 16-17th. Lt. Gen. John C. Pemberton ordered Brig. Gen. John S. Bowen, with three brigades, to man the fortifications on the east bank of the river and impede any Union pursuit. Three divisions of Maj. Gen. John A. McClernand's Thirteenth Corps moved out from Edwards Station on the morning of the 17th. They encountered the Confederates behind breastworks and took co…READ MORE
18/05/1863
Leadership Change - Brigade - Brigadier General John E. Smith, and Brigadier General Mortimer D. Leggett
Brigadier GeneralJohn E. Smith
Brigadier GeneralMortimer D. Leggett
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
27/06/1864
Battle - Kennesaw Mountain - Cobb County, Georgia
Fearing envelopment northwest of Atlanta, Confederate Gen. Joseph E. Johnston withdrew his army to a new defensive position astride Kennesaw Mountain near Marietta. Johnston selected this position in order to protect the Western & Atlantic Railroad, his supply link to Atlanta. Prior to taking up this new line on June 19th, Johnston had pioneers working through the night digging trenches and erecting fortifications, turning Kennesaw into a formidable earthen fortress. Having defeated Lieut. Gen. John…READ MORE
22/07/1864
Battle - Atlanta - Fulton County, Georgia; DeKalb County, Georgia
Despite the defeat at Peach Tree Creek, Confederate Lieut. Gen. John Bell Hood still had hopes of driving Maj. Gen. William T. Sherman's Yankees from the outskirts of Atlanta with an offensive blow. On the night of July 21, 1864, Hood ordered Lt. Gen. William J. Hardee's corps to make 15-mile night march and assault the Union left flank east of the city, held by Maj. Gen. James B. McPherson's Army of the Tennessee. Joining the attack with Hardee would be the corps of Maj. Gen. Benjamin Cheatham. Hood attac…READ MORE
31/08/1864
Leadership Change - Brigade - Colonel George E. Bryant
ColonelGeorge E. Bryant
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
11/03/1865
Battle - Fayetteville, North Carolina
19/03/1865
Battle - Bentonville - Bentonville, North Carolina
After his march to the sea, Maj. Gen. William T. Sherman headed north in early 1865 to unite with Lt. Gen. Ulysses S. Grant's army in Virginia. Only Confederate Gen. Joseph Johnston's army stood between Sherman and Grant. After briefly blocking Sherman's advance at Averasboro, North Carolina on March 16, Johnston struck Maj. Gen. Henry Slocum's wing of Sherman's army near Bentonville on March 19. The Confederates ran into stiff resistance, as Slocum established a defensive position. Johnston's assaults con…READ MORE
16/07/1865
Mustered Out - Illinois 20th Infantry - Illinois
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