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Fort Mifflin

Philadelphia County · dedicated 1990 · At site, Fort Mifflin Rd., Philadelphia

Laid out in 1771 by the engineer John Montresor. Heroically held by the Americans under British siege until they were forced out, Nov. 15, 1777. Rebuilt 1798-1800 according to L'Enfant's design and enlarged in the 19th century. A U.S. military post until the 1950s.

Digital Commonwealth, Boston Public Library

Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

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