Battle of Tupelo: Stopping Forrest's Raiders

In the summer of eighteen sixty-four, William Tecumseh Sherman's army was pushing toward Atlanta, and its lifeline was a single railroad running south from Louisville through Nashville into Georgia. Sherman knew the weakest point in that supply chain was not any Confederate army. It was one man: Nathan Bedford Forrest, the Confederate cavalry commander whose raiders had already destroyed Union depots, burned bridges, and scattered larger Union forces across western Tennessee and northern Mississippi.

Sherman sent a blunt order to his superiors in Washington: he needed someone to go into Mississippi and, as he put it, kill Forrest. The mission fell to Union General Andrew J. Smith, who led more than fourteen thousand men south from Memphis in early July of eighteen sixty-four.

Forrest, commanding roughly six thousand cavalry near Okolona, was placed under the overall authority of Lieutenant General Stephen D. Lee. The Confederate plan called for caution, hold until reinforced. But Lee arrived with two thousand additional men and pushed for action. On the morning of July fourteenth, near the village of Harrisburg, just outside Tupelo, the Confederates launched a series of frontal assaults against Smith's fortified lines. The attacks were poorly coordinated. Three Confederate brigade commanders were severely wounded in the fighting. On the second day of fighting, Forrest himself was shot in the foot, one of the very few times in the war he was wounded. Confederate losses were staggering: somewhere between a thousand and thirteen hundred men killed or wounded. Union losses were fewer than seven hundred.

Smith had won a clear tactical victory. Yet he was running short on rations and did not pursue. He marched his men back to Memphis two days later, drawing sharp criticism for failing to destroy Forrest's command entirely.

The strategic result was mixed but significant. Forrest's cavalry was so badly damaged that it could not meaningfully threaten Sherman's supply line during the critical Atlanta campaign. Sherman's armies took Atlanta on September second, eighteen sixty-four, a victory that almost certainly secured Abraham Lincoln's re-election two months later. The one-acre Tupelo National Battlefield, now administered by the National Park Service, marks the ground where that chain of events was forged.