Second Battle of Fort Sumter

The Second Battle of Fort Sumter was fought on September 8, 1863, in Charleston Harbor. Confederate General P. G. T. Beauregard, who had commanded the defenses of Charleston and captured Fort Sumter in the first battle of the war, was in overall command of the defenders. In the battle, Union forces under Major General Quincy Gillmore attempted to retake the fort at the mouth of the harbor. Union gunners pummeled the fort from their batteries on Morris Island. After a severe bombing of the fort, Beauregard, suspecting an attack, replaced the artillerymen and all but one of the fort's guns with 320 infantrymen, who repulsed the naval landing party. Gillmore had reduced Fort Sumter to a pile of rubble, but the Confederate flag still waved over the ruins. Background Union efforts to retake Charleston Harbor began on April 7, 1863, when Rear Admiral Samuel Francis Du Pont, commander of the South Atlantic Blockading Squadron, led the ironclad frigate New Ironsides, the tower ironclad Keokuk, and the monitors Weehawken, Pasaic, Montauk, Patapsco, Nantucket, Catskill, and Nahant in an attack on the harbor's defenses (The 1863 Battle of Fort Sumter was the largest deployment of monitors in action up to that time). The attack was unsuccessful, the Union's best ship, USS New Ironsides never effectively engaged, and the ironclads fired only 154 rounds, while receiving 2,209 from the Confederate defenders. Due to damage received in the attack, the USS Keokuk sank the next day, off the southern tip of Morris Island. Over the next month, working at night to avoid the attention of the Federal squadron, the Confederates salvaged Keokuk's two eleven-inch Dahlgren guns. One of the Dahlgren guns was promptly placed in Fort Sumter. The Confederates, in the meantime, were strengthening Fort Sumter. A workforce of just under 500 slaves, under the supervision of Confederate army engineers, were filling casemates with sand, protecting the gorge wall with sandbags, and building new traverse, blindages, and bombproofs. Some of Fort Sumter's artillery had been removed, but 40 pieces still were mounted. Fort Sumter's heaviest guns were mounted on the barbette, the fort's highest level, where they had wide angles of fire and could fire down on approaching ships.