- Date:
- 1862 - 1863
- Location:
- Mississippi
- United States
- Participants:
- Confederate States of America
- United States
- Context:
- American Civil War
- Major Events:
- Battle of Big Black River
- On the Web:
- Bill of Rights Institute - Gettysburg and Vicksburg: July 4, 1863 (Oct. 19, 2026)
Vicksburg Campaign
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What was the Vicksburg Campaign?
The Vicksburg Campaign (1862–63) was a series of maneuvers and battles in the American Civil War aimed at capturing Vicksburg, Mississippi, a Confederate stronghold. Situated on bluffs along the Mississippi River, Vicksburg's capture was critical for the Union to control the entire river, dividing the Confederacy.
Union Gen. Ulysses S. Grant's persistent efforts finally led to a siege. After failed assaults, Grant surrounded the city, cutting off Confederate Gen. John C. Pemberton's forces. Facing starvation and dwindling supplies, Pemberton surrendered on July 4, 1863. This victory, coupled with Gettysburg, marked a turning point in the war, giving the Union control of the Mississippi and splitting the Confederacy.
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Which two sides fought in the Vicksburg Campaign?
During the Vicksburg Campaign (1862–63) of the American Civil War, Union forces fought to take Vicksburg, Mississippi, a Confederate stronghold. The campaign aimed to seize control of the Mississippi River, dividing the Confederacy.
Union General Ulysses S. Grant led the Union forces against Confederate General John C. Pemberton's troops. After initial failed attempts, Grant launched a strategic maneuver, moving his army to the west bank of the Mississippi and then recrossing to the east, south of Vicksburg. Grant's forces eventually surrounded Vicksburg, leading to Pemberton's surrender on July 4, 1863.
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Why was Vicksburg an important location during the Civil War?
Vicksburg was a key Confederate stronghold during the Civil War because it sat on the east bank of the Mississippi River, halfway between Memphis and New Orleans. Capturing Vicksburg would give the North control of the entire river, dividing the Confederacy and isolating Confederate states west of the river from those in the east. Vicksburg was ideally suited for defense because it was situated on high bluffs along the river and protected on the north by swampy bayous. The Confederate surrender of Vicksburg on July 4, 1863, together with the Battle of Gettysburg the previous day, marked a turning point in the war.
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Who were the main military leaders involved in the campaign?
The key military leaders in the Vicksburg Campaign were Ulysses S. Grant for the Union and John C. Pemberton for the Confederacy.
Union forces aimed to seize Vicksburg, Mississippi, a Confederate stronghold on the Mississippi River. The capture of Vicksburg was important to the Union because it would split the Confederacy in half.
Grant's strategy involved moving his army to the west bank of the Mississippi, then recrossing it at Bruinsburg. From there, he advanced northeast, preventing Confederate forces under Joseph E. Johnston from joining Pemberton's troops in Vicksburg. Pemberton, tasked by Confederate President Jefferson Davis to hold Vicksburg at all costs, led the defense. Despite his efforts, Grant's forces eventually surrounded Vicksburg, leading to Pemberton's surrender on July 4, 1863.
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What military strategies did the Union use to capture Vicksburg?
During the Vicksburg Campaign, the Union employed several military strategies to capture Vicksburg. After initial failures, General Ulysses S. Grant moved his army to the west bank of the Mississippi, then south to Bruinsburg, where they recrossed to the east bank. This maneuver allowed the Union army to approach Vicksburg from the east, behind Confederate lines.
Grant's forces moved northeast, abandoning supply lines and taking Port Gibson and Grand Gulf, preventing Confederate forces from joining. Unable to link with General Johnston, Vicksburg's commander, General John C. Pemberton, was forced back into the city. Grant then laid siege to Vicksburg, controlling all approaches and cutting off the Confederate garrison's supplies, leading to its surrender on July 4, 1863. The capture of Vicksburg divided the Confederacy, yielding control of the Mississippi River to the North.
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How did the Union victory at Vicksburg change the course of the Civil War?
The Union victory at Vicksburg significantly altered the course of the Civil War by yielding control of the entire Mississippi River to the North and dividing the Confederacy in half. Vicksburg, a key Confederate stronghold, had been a point of defense on the Mississippi River. Ulysses S. Grant's capture of Vicksburg, a strategic rail hub, effectively cut off the eastern Confederacy from agricultural resources in Texas, Louisiana, and Arkansas. The surrender of Vicksburg on July 4, 1863, along with the victory at Gettysburg, marked a turning point in the war by boosting Northern morale and isolating Confederate states west of the river from those in the east.
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Vicksburg Campaign, (1862–63), in the American Civil War, the campaign by Union forces to take the Confederate stronghold of Vicksburg, Mississippi, which lay on the east bank of the Mississippi River, halfway between Memphis (north) and New Orleans (south). The capture of Vicksburg divided the Confederacy and proved the military genius of Union Gen. Ulysses S. Grant.
After the spring of 1862, when the Confederates lost Fort Henry, Fort Donelson, and Memphis in Tennessee and New Orleans in Louisiana, Vicksburg became the key remaining point of their defense of the Mississippi River. The capture of Vicksburg would yield the North control of the entire course of the river and thus enable it to isolate those Confederate states that lay west of the river from those in the east. Vicksburg was ideally suited for defensive purposes, however: it was situated on high bluffs along the river and was protected on the north by a maze of swampy bayous. The Confederates’ batteries on the bluffs could outgun any Union ships on the river.
A Union naval expedition using ironclads (May–June 1862) to subdue the Confederate batteries failed, as did an attempt to take the city by land from the north by Gen. William Tecumseh Sherman (December 1862) and an attempt by Grant to cut a canal around Vicksburg that would divert the river (February–March 1863). After this string of frustrating failures, Grant conceived a bold move that would enable him to take the city using the high-ground approaches from the east, well behind Confederate lines. Moving his army of 40,000 troops to the west bank of the Mississippi, he marched south along it for a considerable distance until he could recross the river at Bruinsburg, which lay about 30 miles (48 km) south of Vicksburg. His army recrossed to the east bank of the river by means of a Union fleet, which, under the command of Adm. David D. Porter, had run south past the batteries at Vicksburg. Once across the river, Grant quickly began moving northeast, though this meant abandoning his already tenuous supply lines and feeding his troops off the surrounding enemy countryside. His forces took Port Gibson on May 2, reached Grand Gulf on May 3, and prevented the small Confederate army of Gen. Joseph E. Johnston near Jackson from linking up with the Vicksburg forces.
Vicksburg’s commander, Gen. John C. Pemberton, led his forces out in an effort to link up with Johnston but met Grant moving westward and was forced to return to the city. On May 18 Grant arrived in the rear of Vicksburg, within which Pemberton’s 30,000 troops were isolated. After two assaults in mid-May failed, Grant settled down to methodical siege tactics while augmenting his forces. He controlled all the approaches to the city, and by early June the Confederate garrison was desperately short of ammunition and on the brink of starvation. Pemberton surrendered the city on July 4.
The surrender of Vicksburg, with the victory at the Battle of Gettysburg the previous day (July 3), greatly heartened the North and in fact marked the turning point of the war.


