Chester County
One of Pennsylvania's three original counties, formed 1682 by William Penn. Name derived from Cheshire in England. West Chester, the county seat since 1788, was incorporated in 1799. County was the scene of important military activities in 1777-1778.
David Rumsey Map Collection, Stanford LibrariesJohn Carter Brown Library, Brown UniversityDavid Rumsey Map Collection, Stanford LibrariesDigital Commonwealth, Boston Public LibraryDavid Rumsey Map Collection, Stanford Libraries
Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov
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