The Wessaweskeag Historical Society will host the annual South Thomaston Heritage Day. This year’s exhibit is based on vintage clothing and textiles. Items will be displayed from the society's collection and from the collections of various residents. The Midcoast Community Band will offer an afternoon concert in Memorial Park at 1:30 p.m. Refreshments will be served. The historical society is located at the corner of Elm Street and Dublin Road near the public landing at the 'Keag.