What city did grant lay siege?

Ulysses S. Grant laid siege to the city of Vicksburg, Mississippi, during the American Civil War. The siege lasted from May 18 to July 4, 1863, and was a crucial campaign in the war. Grant's successful capture of Vicksburg gave the Union control over the Mississippi River, effectively splitting the Confederacy in two. This victory significantly boosted Union morale and solidified Grant's reputation as a military leader.