Olde Fort Mifflin Historical Society

The Olde Fort Mifflin Historical Society is a non-profit educational organization that promotes awareness of the historic defense of the Delaware River and the City of Philadelphia. OFMHS supports volunteers who offer living history demonstrations and provides lecturers and interpretors for many of the living history events in the tri-state area.

A few facts about Fort Mifflin:

  1. Site of the largest bombardment during the American Revolution.
  2. Key fortification for the defense of the Delaware in 1777.
  3. Fort Mifflin''s Flag remained flying after the evacuation of November 15 until the afternoon of November 16, 1777.
  4. Col. Samuel Smith who served until November 10, 1777. Served at Fort McHenry during the War of 1812
  5. If it was not for Fort Mifflin, Valley Forge would not have been an encampment.
  6. By delaying the British shipping, Fort Mifflin and the men who served, helped save the Continental Army. Of the 406 to 450 men stationed, approximately 300 men survived. The other 100-150 were either killed or wounded. Major Thayer saw that all killed or wounded were ferried to Red Bank prior to the final evacuation.
  7. Reconstruction started in 1778; the final stage of construction started in 1872.
  8. One of the first fortifications made part of the First Coastal Defense System. Fort Mifflin was still active even through the Third Coastal Defense System.
  9. The only fort in the City of Philadelphia.
  10. Fort Mifflin was used by the United States military from 1777 until 1954.
  11. Fort Mifflin was utilized in some manner during every major military action.

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