The City of Medford invites you to Medford Square for the annual Patriots’ Day celebration. Events begin at 10 a.m. at the Salem Street Burying Ground next to Riverside Plaza as tribute is paid to the soldiers who lost their lives during the Revolutionary War. Words from Medford historian Dee Morris will accompany wreath laying on Patriots' graves. Then march through Medford Square with Captain Isaac Hall and Mistress Hall to the historic Isaac Hall House at 43 High Street,…