By Milva Didomizio, Globe Staff, 08/07/2003

What happens when two women of history sit down for a turn-of-the-19th-century chat? Find out in "Rachel Revere and Susanna Rowson Meet for Tea in 1803," with actors Jessa Piaia and Andrea Squires. Revolutionary War veteran Deborah Sampson also portrayed. Tonight at 7 at the Medford Public Library, 111 High St. Free. 781-395-7950.

Arts, crafts, and music highlight the Gloucester Sidewalk Bazaar. The Cape Ann Jazz Band, the Hills Mills Clown Band, and the Airborne Jugglers entertain. Check out the Best-Dressed Dog Show and Parade at 4:30 p.m. today. 9 a.m.-5 p.m. through Saturday along Main Street. Free. 978-283-1601. The Town Cow Theater Company brings "The Tragicall Historie of Hamlet, Prince of Denmarke" into a modern suburban setting with a slight abridgement. Shakespeare's tragedy runs through Aug. 17 at Anne Chamberlin Park, Lowell Road, Concord. Shows Fri.-Sat. 6 p.m.; Sat. 2 p.m.; Sun. 4 p.m. Free. 978-318-7979.