The Dedham Historical Society & Museum schedule for the Thanksgiving and Christmas holidays includes: closed on the following days; Wednesday, November 23 thru Monday, November 28, and reopening on Tuesday, November 29 at 9 am. We will also be closed Friday, December 23 thru Monday, January 2, and reopening on Tuesday, January 2017 at 9 am. In addition to our normal weekday hours (office and museum Tuesday thru Friday from 9 am – 4 pm; library & archives Tuesday and Thursday by appointment) we are open the following Saturdays from 1 pm – 4 pm: November 12 and December 10.