Battle of Fort Sumter Battle of Fort Sumter The Battle of Fort Sumter (April 12–13, 1861) was the bombardment of Fort Sumter near Charleston, South Carolina by the Confederate States Army, and the return gunfire and subsequent surrender by the United States Army, that started the American Civil War. Following the declaration of secession by South Carolina on December 20, 1860, its authorities demanded that the U.S. Army abandon its facilities in Charleston Harbor. On December 26, Major Robert Anderson of the U.S. Army surreptitiously moved his small command from the vulnerable Fort Moultrie on Sullivan's Island to Fort Sumter, a substantial fortress built
Fort Sumter 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