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 Lamar in New York with a most interesting message, part of which is told below: (for the complete text see "External Links", Ft. Sumter telegram). In 1966, the site was listed on the National Register of Historic Places. The Civil War Trust (a division of the American Battlefield Trust) and its partners have acquired and preserved of historic land related to the battles at Fort Sumter. Fort Sumter National Monument encompasses three sites in Charleston: the original Fort Sumter, the Fort Sumter Visitor Education Center, and Fort Moultrie on Sullivan's Island. Access to Fort Sumter itself is by private boat