News Dorset Heritage Muesum Plans An Event To Celebrate The Past SHARE ON: Kaitlin Livingston, contributor, Wednesday, Jun. 22nd, 2016 The Dorset Heritage Museum is planning its Heritage Day event. Members of the committee say they are currently waiting for permission from the health office to see if they can hold a BBQ. They say there will be an auction, antiques, and activities. The event is on Saturday, July 2nd.