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
Battle of Fort Sumter the guns fired in a counterclockwise sequence around the harbor, with 2 minutes between each shot; Beauregard wanted to conserve ammunition, which he calculated would last for only 48 hours. Edmund Ruffin, another noted Virginia secessionist, had traveled to Charleston to be present for the beginning of the war, and fired one of the first shots at Sumter after the signal round, a 64-pound shell from the Iron Battery at Cummings Point. The shelling of Fort Sumter from the batteries ringing the harbor awakened Charleston's residents (including diarist Mary Chesnut), who rushed out into the predawn darkness to watch the