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Fort Mercer

Earthen fort on the Delaware River in New Jersey

About

Fort Mercer was an earthen fort on the eastern shores of the Delaware River in New Jersey that was constructed by the Continental Army during the American Revolutionary War. The fort was built in 1777 by Polish engineer Thaddeus Kosciuszko under the command of George Washington. Along with Fort Mifflin on the Pennsylvania side of the Delaware River to its west, Fort Mercer was designed to block the British advance on the revolutionary capital of Philadelphia during the Philadelphia campaign.

Fort Mercer was located in an area called Red Bank in what is now the borough of National Park in Gloucester County, New Jersey. The fort was named in honor of Brigadier General Hugh Mercer who died earlier that year in fighting at the Battle of Princeton.

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