Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 104. Not illustrated. Chapters: States and Territories Established in 1741, States and Territories Established in 1742, States and Territories Established in 1743, States and Territories Established in 1744, States and Territories Established in 1747, Durrani Empire, Fairfax County, Virginia, Frederick County, Virginia, Edgecombe County, North Carolina, Northampton County, North Carolina, Albemarle County, Virginia, Viipuri Province, Khanate of Nakhichevan, Austrian Silesia, Kingdom of Finland, Kingdom of Slavonia, First Saudi State, Las Bela, Stadion-Warthausen, Stadion-Thannhausen. Excerpt: Fairfax County is a county in Northern Virginia, in the United States. As of April 2008, the estimated population of the county is 1,015,302, making it by far the most populous jurisdiction in the Commonwealth of Virginia, with about 13% of Virginia's population, and the most populous jurisdiction in the Washington Metropolitan Area. Fairfax was the first county in the United States to reach a six-figure median household income, and has the second-highest median household income of any county with a population of 250,000 or more in the United States after neighboring Loudoun County. Fairfax County was formed in 1742 from the northern part of Prince William County. It was named for Thomas Fairfax, 6th Lord Fairfax of Cameron (16931781), proprietor of the Northern Neck. The headquarters of the Central Intelligence Agency in LangleyThe oldest settlements in Fairfax County were located along the Potomac River. George Washington settled in Fairfax County and built his home, Mount Vernon, facing the river. Gunston Hall, the home of George Mason is located nearby. Modern Fort Belvoir is partly located on the estate of Belvoir Manor, built along the Potomac by William Fairfax in 1741. Thomas Fairfax, 6th Lord Fairfax of Cameron, the only member of t...