Vicksburg.
The surrender was on July 4th - a date the Vicksburgers never celebrated again for eighty years.
The Union won complete control of the Mississippi River Valley.
it gave the Union greater control of the Mississippi River valley.
It gave the Union control of the entire Mississippi Valley.
The Union got control of the Mississippi River.
The Battle of Vicksburg(:
Mississippi River ANSWER Ohio River.
The Battle of Vicksburg gave the Union control of the Mississippi River.
The Vicksburg Campaign, specifically the Siege of Vicksburg, established control of the Mississippi River.
They were fighting for control of the Mississippi.
Vicksburg
It helped the Union get control of the Mississippi river.
New Orleans, Shiloh, and Vicksburg