Once General Ulysses Grant realized his army could not capture Vicksburg by direct assault he commenced siege operations. This started May 23, 1863.
The Siege of Vicksburg took from late May until early July 1863.
May 22
The Battle of Vicksburg started on May 18th 1863. The Battle of Vicksburg ended on July 4th 1863.
The first attempts to capture Vicksburg began in 1862, but the siege did not take place until 1863.
To gain control of the Mississippi river.
May 18 - July 4, 1863
The Vicksburg Campaign, specifically the Siege of Vicksburg, allowed the Union to take control of the Mississippi River.
The Battle of Vicksburg gave the Union control of the Mississippi River.
The Siege of Vicksburg began on May 18, 1863. There were two major assaults on May 19 and May 22, respectively. The Confederates surrendered on July 4, 1863.
The battle of Vicksburg started on may 18, 1863. It is important because it gave the union the ability to control the Mississippi river, which meant that they controlled trade.
Vicksburg is in Mississippi.
Vicksburg, Mississippi surrendered to General Ulysses S. Grant on July 4, 1863 and a siege that lasted several months. Interestingly, because the surrender took place on that date, Vicksburg did not celebrate Independence Day until 1941.