https://www.visitphilly.com/things-to-do/attractions/fort-mifflin/
Oct 30, 2019 - The fort that withstood the greatest bombardment of the American Revolution
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https://www.worldhistory.org/image/18668/fort-mifflin/
Fort Mifflin, which, alongside Fort Mercer, defended the Delaware River during the American Revolutionary War (1775-1783). Painting by Seth Eastman, 1870...
world history encyclopediafort mifflin