The vicksburg Campaign convinced Lincoln that Grant was the right man to lead the whole Union Army.
The Union Army.
Tell me
Pemberton's Confederate Army surrendered unconditionally to Grant's Union Army on July 4,1863.
Ulysses Grant
Go to the aid of the Army of the Cumberland at Chattanooga.
The Union Army of the Tennessee attacked the Confederate Army of the Mississippi.
Complete Control of the Mississippi River.
The armies that fought were the Confederate Army of Mississippi versus the Union Army of the Tennessee.
ANSWER On July 4,1863, when the Confederate Army under General Pemberton capitulated.
U.S. Grant
battle of vicksburg and gettysburg