History of the United States (1991–2008) South Tower less than twenty minutes later at 9:03 A.M. (EST), resulting in the collapse of both 110 story skyscrapers, and the destruction of the World Trade Center. The third hijacked plane, American Airlines Flight 77, was crashed into the Pentagon (the headquarters of the United States Department of Defense) in Arlington County, Virginia, demolishing a section of the outer southwest facing wall. After discovering that their plane, United Airlines Flight 93, was going to be used as a missile, passengers attempted to regain control of the plane which had been redirected towards Washington, D.C. However, after regaining control from
Rappahannock County, Virginia Farm School. Rappahannock County, Virginia Rappahannock County is a county located in the Commonwealth of Virginia, US. As of the 2010 census, the population was 7,373. Its county seat is Washington. The name "Rappahannock" comes from the Algonquian word "lappihanne" (also noted as "toppehannock"), meaning "river of quick, rising water" or "where the tide ebbs and flows." Rappahannock County is included in the Washington-Arlington-Alexandria, DC-VA-MD-WV Metropolitan Statistical Area. Rappahannock County was founded by an act of the Virginia General Assembly in 1833, based on the growing population's need to have better access to a county seat. The county's land was