 The National Park Service's Colonial Parkway was also completed in April, 1957 linking the Historic Triangle of Jamestown, Williamsburg, and Yorktown, including the construction of a land bridge to Jamestown Island.The 1957 celebrations continued from April 1 to November 30 with more than one million participants, including dignitaries and politicians such as the British Ambassador and U.S. Vice President Richard Nixon.Full-sized replicas were constructed of the three ships that brought the colonists