2:00pm, Zwaanendael Museum on the museum’s 2nd floor (entry via staircase; no elevator), 102 Kings Highway, Lewes. Lecture by Michael D. Leister, former director of the Air Mobility Command Museum. Presented in celebration of the 50th anniversary of the passage of the National Historic Preservation Act of 1966. Museum open 10 a.m.–4:30 p.m. Free admission but, due to space restrictions, reservations are required by calling 302-645-1148 no later than Nov. 4, 2016.