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
Battle of Fort Sumter notified Governor Pickens that "an attempt will be made to supply Fort Sumter with provisions only, and that if such attempt be not resisted, no effort to throw in men, arms, or ammunition will be made without further notice, [except] in case of an attack on the fort." Lincoln's notification had been made to the governor of South Carolina, not the new Confederate government, which Lincoln did not recognize. Pickens consulted with Beauregard, the local Confederate commander. Soon President Davis ordered Beauregard to repeat the demand for Sumter's surrender, and if it did not, to reduce the fort before the