<P> The Siege of Vicksburg ( May 18 -- July 4 , 1863 ) was the final major military action in the Vicksburg Campaign of the American Civil War . In a series of maneuvers , Union Maj. Gen. Ulysses S. Grant and his Army of the Tennessee crossed the Mississippi River and drove the Confederate Army of Mississippi , led by Lt. Gen. John C. Pemberton , into the defensive lines surrounding the fortress city of Vicksburg , Mississippi . </P>
<P> The Siege of Vicksburg ( May 18 -- July 4 , 1863 ) was the final major military action in the Vicksburg Campaign of the American Civil War . In a series of maneuvers , Union Maj. Gen. Ulysses S. Grant and his Army of the Tennessee crossed the Mississippi River and drove the Confederate Army of Mississippi , led by Lt. Gen. John C. Pemberton , into the defensive lines surrounding the fortress city of Vicksburg , Mississippi . </P>
when did the battle of vicksburg start and end
when did the battle of vicksburg start and end
May 18 -- July 4 , 1863
May 18 -- July 4 , 1863