Fort O'Rourke Fair Haven. No visible remains of the fort can be found. Fort O'Rourke Fort O'Rourke is a former Union Army installation now located in the Belle Haven area of Fairfax County in the U.S. state of Virginia. It was the southernmost fort built to defend Washington, D.C. in the American Civil War. Following the surrender of Fort Sumter in Charleston, South Carolina, on April 14, 1861, President Abraham Lincoln declared that "an insurrection existed," and called for 75,000 troops to be called up to quash the rebellion. The move sparked resentment in many other southern states, which promptly moved to
Fort Sumter He missed, in part because Major Anderson did not use the guns mounted on the highest tier, the barbette tier (where the guns could engage the Confederate batteries better), where the gunners would be more exposed to Confederate fire. The firing continued all day. The Union fired slowly to conserve ammunition. At night, the fire from the fort stopped, but the Confederates still lobbed an occasional shell into Sumter. On Saturday, April 13, the fort was surrendered and evacuated. During the attack, the Union colors fell. Lt. Norman J. Hall risked life and limb to put them back up, burning