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 Carthage (1861) In April 1861, after the firing on Fort Sumter, President Abraham Lincoln called for troops from all of the states to defeat the Confederacy. Missouri was asked to send four regiments. Governor Jackson refused the request. Instead, he called up the Missouri State Militia, possibly to seize the St. Louis Arsenal. If this was his intention, it was thwarted by the newly appointed commander of the arsenal, Captain Nathaniel Lyon of the 2nd U. S. Infantry. Lyon had previously been stationed in Kansas Territory and had developed well-known abolitionist views. Arriving in February 1861, Lyon quickly became associated with the