Illinois County

Fayette County, Illinois

Vandalia's Illinois capital heritage and the National Road's western terminus - from Vandalia's distinction as Illinois's second state capital (Vandalia served as Illinois's capital from 1820 to 1837 - the Old State Capitol building in Vandalia is the oldest surviving state capitol building in Illinois, and it was here that Abraham Lincoln served in the state legislature from 1834-1837, meeting Stephen Douglas for the first time) to the National Road's Vandalia terminus (the federally funded National Road - America's first interstate highway - was extended to Vandalia in 1839, making it the western terminus of the road that opened the American interior to settlement).

County Seat Vandalia
Population 21,000
Founded 1821
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