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 Range Lights Historic Landmark that was built in 1836. The front light at Fort Sumter completed in 1857. The front light was a white, fifth order Fresnel lens. The station was destroyed during the Civil War. A temporary light with a steamer lens was in place after the war ended and Fort Sumter was reoccuppied by federal troops. Later the light was rebuilt. With little chance of war, this lighthouse was the major activity at Fort Sumter from 1876 to 1898. In 1893, the front light was destroyed by a hurricane. The tower was replaced with a light green metal skeletal tower.