Vicksburg.
That was Ulysses Grant, who captured Vicksburg, the last major Confederate stronghold on the Mississippi River in July of 1863.
During the American Civil War, Union forces sought in 1862 and 1863 to capture the Confederate stronghold of Vicksburg, Mississippi. Located on high bluffs astride the Mississippi River, Vicksburg was a highly defensible fortress, and its capture proved difficult for the Union troops. Finally in 1863, Vicksburg surrendered after a siege starved them out.
In late 1862 and early 1863, General Ulysses S. Grant failed to capture the Confederate stronghold of Vicksburg, Mississippi. Despite several attempts to take the city, including a series of battles and maneuvers, Grant's efforts were thwarted by the city's fortified defenses and the challenging terrain. It wasn't until mid-1863 that he successfully besieged Vicksburg, a victory that significantly turned the tide of the Civil War in favor of the Union.
Mainly Tennessee and Mississippi. Also some actions in Kentucky and Arkansas, and of course Louisiana, with the Grierson Raid and the liberation of New Orleans. Grant's capture of Vicksburg (July 1863), the last Confederate stronghold on the Mississippi, ended the war in the Western theatre.
Vicksburg - surrendered on July 4th 1863
In 1863, the Union forces captured Vicksburg, Mississippi, which was a critical stronghold for the Confederacy along the Mississippi River. This victory, along with the capture of Port Hudson shortly after, effectively divided the Confederacy in two, disrupting their supply lines and communication. The fall of Vicksburg marked a significant turning point in the Civil War, enhancing Union control over the Mississippi River.
They all were, following Grant's capture of Vicksburg in July 1863.
Port Hudson, which was seized by the Union forces on July, 9, 1863.
Vicksburg - the last Confederate stronghold on the Mississippi.
The Fall of Vicksburg - a major river-port held by the Confederates until Grant besieged it and took its surrender in July 1863.
Vicksburg
In late 1862 and early 1863, Ulysses S. Grant failed to capture Vicksburg, Mississippi, a strategic location on the Mississippi River. His initial attempts to take the city by direct assault were unsuccessful due to strong Confederate defenses and challenging terrain. Grant's eventual strategy involved a prolonged siege that ultimately succeeded in July 1863, but during the earlier attempts, he faced significant logistical and tactical obstacles. This failure temporarily delayed the Union's control over the river and its impact on the war effort.