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.
Installed in 1936. Reinstalled in 1936.
Historic Markers Commission, 1936.
3300 Lancaster Avenue, Wilmington, DE 19805
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