Tradesman Thomas is lost in 2019! What year do you think Thomas belongs in? Find out at Colonial Market Day, July 27, 10 am-4 pm, followed by Colonial Tavern Night, 5-7 pm, at the Maryland Historical Society. Details: mdhs.org/events. #MarylandHistory #FamilyFun #BaltimoreWeekend #Bmore #mountvernonbaltimore