Tun Tavern. Near here stood Tun Tavern, 1693-1781, which is regarded as the traditional birthplace of the United States Marine Corps, authorized by a resolution of the Continental Congress, November 10, 1775. SEMPER FIDELIS Front St., between Chestnut & Walnut, Philadelphia, PA by Pennsylvania Historical and Museum Commission Colour: blue Wikimedia: Flickr: Google Streetview OpenStreetMap