Fort O'Rourke 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 convene discussions of secession. The Virginia State Convention passed an ordinance
Fort Sumter after General Thomas Sumter, Revolutionary War hero, Fort Sumter was built after the War of 1812, as one of a series of fortifications on the southern U.S. coast to protect the harbors. Construction began in 1829, and the structure was still unfinished in 1861, when the Civil War began. Seventy thousand tons of granite were transported from New England to build up a sand bar in the entrance to Charleston Harbor, which the site dominates. The fort was a five-sided brick structure, long, with walls thick, standing over the low tide mark. It was designed to house 650 men and