Charleston in the American Civil War embattled leaders knew each other well. Beauregard, back at West Point, had been Anderson's assistant. So he prepared to defend Fort Sumter for the Union, the, large garrison-sized Stars and Stripes flying above the small group of 85 Federal men. After a 34-hour bombardment, Major Robert Anderson surrendered the fort. Throughout much of the war, cadets from the Citadel, South Carolina's military institute, continued to aid the Confederate Army by helping to drill recruits, manufacture ammunition, protect arms depots, and guard Union prisoners. On December 11 of 1861, a massive fire burned 164 acres of the city, destroying the Cathedral
Names of the American Civil War used the terms "the present civil war between the United States and the so called Confederate States", as well as "the civil war such as that now waged between the Northern and Southern States". English-speaking historians outside the United States usually refer to the conflict as the "American Civil War". These variations are also used in the United States in cases in which the war might otherwise be confused with another historical event (such as the English Civil War, the Irish Civil War or the Spanish Civil War). The term "War Between the States" was rarely used during the war