Historical Marker
Underground Railroad
Historical marker location:
Harrisburg, Pennsylvania
( Marker is at the intersection of Walnut Street and Commonwealth Ave., on the left when traveling east on Walnut Street.)
Marker installed: 2000
The first recorded U.S. flag-raising on foreign soil occurred in 1777, when the Stars and Stripes were flown during a naval battle off the coast of Quiberon Bay, France, commanded by Pennsylvania native John Paul Jones.