The Purcellville Historical Society’s Thursday, March 31, meeting will feature a 15-minute talk on Purcellville during World War II by Mary Fishback, librarian at Leesburg’s Thomas Balch Library and author of Loudoun County: 250 Years of Towns and Villages (Arcadia Publishing, compiled on behalf of the Thomas Balch Library Commission). The talk begins at 7:30 p.m. S