Participants are invited to bring a top hat, snack on top-hat cake and bring a musical instrument for a birthday march up and down Greenwood Avenue.
Bethel was the hometown of P.T. Barnum, an entrepreneur, philanthropist, newspaper publisher and showman co-founded the Ringling Bros. and Barnum and Bailey Circus.
The event starts at 6:30 p.m. at the Bethel Library's Great Barnum statue.
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