Looking Back at Medford History, Inc., is presenting an event at the library to raise funds for its ongoing project to commission and install a bronze statue of Sarah Bradlee Fulton, the Revolutionary War heroine from Medford, at City Hall. The nonprofit organization has raised about one-half of the needed funds and has hired sculptor Robert Shure of Skylight Studios in Waltham to create the statue. Anthony Sammarco, a noted historian, lecturer, and author of more than 60 books on…