Germantown Historical Society Centennial Celebration. Community Preservation Celebration Sunday, November 12, 2000 1-5:30PM Germantown Jewish Center 400 W. Ellet, Mt. Airy (at Lincoln Drive) Mayor John Street will join us in our discussion of how preservation can strengthen our community. Multimedia display of people, places and events from all around the township. (The original Germantown Township, founded in 1683, included the present day neighborhoods of Germantown, Mt. Airy, and Chestnut Hill.) A community dinner will be served. A $5.00 donation is requested.