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 arrival of his warships. The next day, heavy seas made it difficult to load the small boats with men and supplies and Fox was left with the hope that Anderson and his men could hold out until dark on April 13. Although Sumter was a masonry fort, there were wooden buildings inside for barracks and officer quarters. The Confederates targeted these with Heated shot (cannonballs heated red hot in a furnace), starting fires that could prove more dangerous to the men than explosive artillery shells. At 7 p.m. on April 12, a rain shower extinguished the flames and at the