Railroad Redoubt
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The Railroad Redoubt was one of several redoubts, or small defensive earthworks, that were constructed during the American Civil War to protect the city of Vicksburg, Mississippi, from Union attack. It was so named because it was constructed along a major east-west railroad track into Vicksburg.
On May 22, 1863, the Union XIII Corps, under the command of Major General John A. McClernand, attacked this portion of the Vicksburg defenses. Although there were momentary breakthroughs during the mid-day hours, the Confederate position held, bringing on the Siege of Vicksburg.