Wilmington
Founded by Swedes 1638 at Fort Christina, the first permanent settlement in Delaware River Valley. Called Altenae by Dutch 1655. Known as Willingtown 1730-1739. Incorporated as borough of Wilmington in 1739 and as city in 1832. Washington's headquarters here 1777. Became county-seat of New Castle County in 1881.
Marker is at the intersection of Lancaster Avenue and South DuPont Road, on the right when traveling east on Lancaster Avenue.
Courtesy hmdb.org
