Battle of Cape Girardeau

Cape Girardeau, Missouri, sits on a limestone bluff above the Mississippi River, and in April of eighteen sixty-three it was a heavily fortified Union outpost guarding a river crossing that Confederate General John Marmaduke very much wanted to disrupt. What followed was one of the few significant Civil War engagements fought on Missouri soil, and it ended in a sharp Confederate repulse that sealed Union control of the upper river.

Marmaduke led roughly five thousand cavalry on a raid into Missouri in April of eighteen sixty-three, aiming to relieve pressure on Vicksburg by forcing Union forces to pull troops back from Grant's campaign. He moved north through Arkansas and into Missouri, skirmishing at Bloomfield and other points before turning on Cape Girardeau. The town held four earthen forts on the bluffs, garrisoned by about four thousand Union soldiers under Brigadier General John McNeil.

On April twenty-sixth, Marmaduke's cavalry attacked from the west and south. The earthworks were better than he expected. McNeil had artillery positioned on the bluffs that raked Confederate infantry and cavalry attempting to advance across open ground. Union gunboats on the river added fire from the east, catching Marmaduke's forces in a crossfire. After several hours of fighting, with at least forty Confederates killed and over one hundred wounded against lighter Union losses, Marmaduke ordered a withdrawal south.

The battle's significance lay less in its scale than in its outcome. Marmaduke's raid failed to divert a single Union soldier from the Vicksburg campaign. Grant took Vicksburg on July fourth, eighteen sixty-three, and the Mississippi was effectively closed to the Confederacy. Cape Girardeau remained Union throughout the war, a fortified node on the supply chain that sustained the western campaigns. The four forts are largely gone today, but Fort D, on the bluff above downtown, survives as a city park with its earthworks intact.