Explore the extraordinary story of National Historic Landmark Fort Mifflin, the most heroic historic site you never heard of and location of the greatest bombardment of the American Revolution. Although ultimately a British victory, the perseverance of the young garrison in the face of an overwhelming show of force remains an inspiration today.  Rebuilt in the late 18th century and in use through all major conflicts until decommissioning in 1954, Fort Mifflin answered every call to service.  Today the uniquely authentic atmosphere presents both opportunities for programming and challenges for restoration. Learn how the Fort continues to persevere to keep history alive on Mud Island.