“Who Did In the Delaware Ducks?” It is June 1687 and someone has killed Arthur Starr’s ducks! In this historical play, museum guests meet the suspect and search for clues to help solve the mystery and find a killer. Zwaanendael Museum, 102 Kings Highway, Lewes. Program at 2 p.m. on the museum’s 2nd floor (entry via staircase; no elevator). Museum open 10 a.m.–4:30 p.m. Free admission but, due to space restrictions, reservations for the lecture are required by calling 302-645-1148 no later than Oct. 20, 2017.