Muskets crack, drums echo as Boston marks 250 years since British evacuation Reenactors in tricorn hats and 18th-century military coats filled a South Boston chapel Tuesday before firing muskets and marching through neighborhood streets to mark the 250th anniversary of the British evacuation of Boston Original Source: https://abcnews.com/US/wireStory/muskets-crack-drums-echo-boston-marks-250-years-131154673