To celebrate the nation’s bicentennial in 1976, 22 million Americans signed a “Pledge of Rededication,” bound for a time capsule in Valley Forge, Pa. The scrolls disappeared.
July 2, 1976 Harry Abernathy of Clarksville, Ga., attaches flags to his mule team during a break in Kennett Square, Pa., on July 2, 1976, during their wagon train trip to Valley Forge, Pa., for the Fourth of July celebration. Abernathy was a member of the “Original Thirteen Colonies” wagon train. Rusty Kennedy/ASSOCIATED PRESS Buy Photo