2018 Siege of Fort Mifflin Reenactment Rate This Event Relive history at the 241st Anniversary of the Siege of Fort Mifflin Reenactment on November 10-11, 2018 at Fort Mifflin in Philadelphia, Pennslyvania. Experience the battle that defined Fort Mifflin at its annual flagship event! The Siege of Fort Mifflin Reenactment includes four full [read more]