Ft Sumter Storm Flag USA Historic Union 33 Stars 600D 10x19 Feet Custom MadeFt Sumter National Park USA 1861 Storm Flags Union 33 Stars 600D 10x19 Feet Custom Made Allow 4 to 6 weeks production Charleston Citizen Flag Raising at Ft Sumter South Carolina The Battle of Fort Sumter marked the beginning of the Civil War, as Confederate forces bombarded the Union held fort in Charleston Harbor on April 12, 1861. The fort, occupied by Union Major Robert Anderson, became a symbol of federal authority after South Carolina seceded in