What city on the Mississippi river did grant attack after the battle of Shiloh?

After the Battle of Shiloh, Ulysses S. Grant attacked the city of Vicksburg, Mississippi. Vicksburg was strategically important for controlling the Mississippi River and was a key Confederate stronghold. Grant's campaign to capture the city culminated in the Siege of Vicksburg, which began in May 1863 and ended with the city's surrender on July 4, 1863. This victory was a significant turning point in the Civil War, giving the Union control of the Mississippi River.