American Civil War: Confederates commanded by Brig. Gen. John B. Floyd attack General Ulysses S. Grant's Union forces besieging Fort Donelson in Tenne...

American Civil War: Confederates commanded by Brig. Gen. John B. Floyd attack General Ulysses S. Grant's Union forces besieging Fort Donelson in Tennessee. Unable to break the fort's encirclement, the Confederates surrender the following day.