Fort Sumter National Flag (Stainless Banner), and (5) a 35-star United States flag. This display was added to Fort Sumter National Monument in the 1970s. In August 2015, the flagpoles were removed to create a new exhibit. The four historic national flags now fly on the lower parade ground. Fort Sumter Fort Sumter is a sea fort in Charleston, South Carolina, notable for two battles of the American Civil War. It was one of a number of special forts planned after the War of 1812, combining high walls and heavy masonry, and classified as Third System, as a grade of structural integrity.
Second Battle of Fort Sumter 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. 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