Nation's Bicentennial Celebration

  • McMillan Commission Plan Completed - In accordance with the McMillan Plan completed in 1976, the NPS converted the two innermost boulevards (Washington and Adams Drives) into gravel walking paths. The two outermost boulevards remain paved and open to vehicular traffic.
  • Nation’s Bicentennial Celebration - The Bicentennial was a series of celebrations and observances during the mid-1970s that paid tribute to the founding of the United States as an independent republic, culminating on Sunday, July 4, 1976, with the 200th anniversary of the adoption of the Declaration of Independence.