BATTLE OF FORT SUMTER - CIVIL WAR 1178 Plate Block of 4 x 4 cents US Postage Stamps

On April 12, 1961 in Charleston SC; the USPS remembered The Battle of Fort Sumter (April 12–13, 1861) was the bombardment and surrender of Fort Sumter, near Charleston, South Carolina, that started the American Civil War. Following declarations of secession by seven Southern states, South Carolina demanded that the U.S. army abandon Fort Sumter, which was refused. When the ultimatum deadline passed, an artillery barrage ensued, lasting until the fort was surrendered. Once the Confederates had fired, full-scale war quickly followed.