Siege artillery in the American Civil War were used by the Federal troops as their trenches approached Fort Wagner and field artillery was placed in the trenches to defend against possible Confederate sorties. While Fort Wagner was subject to near constant bombardment from the batteries listed in the table below, as approaches neared the fort's ditch the bombardment increased. Fire from U.S. Navy ships, particularly the USS "New Ironsides", proved very effective. The navy were able to skip the round shells from their XI-inch Dahlgren guns off the water, over the ramparts, and into the fort. Several heavy Parrott rifles that had been directed against Fort Sumter
Washington, D.C., in the American Civil War of the Civil War. In February 1861, the Peace Congress, a last-ditch attempt by delegates from 21 of the 34 states to avert what many saw as the impending Civil War, met in the city's Willard Hotel. The strenuous effort failed and the War started in April 1861. At first, it looked as though neighbouring Virginia would remain in the Union. When it unexpectedly voted Confederate, there was a serious danger that the divided state of Maryland would do the same, totally surrounding the capital with enemy states. President Abraham Lincoln’s act in jailing Maryland's pro-slavery leaders (without trial) saved