- This event has ended.
Date: July 9
Time: 4pm – 5pm EST
Type of Event: In person
Location: Mercantile Center – 100 Front Street, Worcester.
Come celebrate the 100th birthday of Harvey Ball – the inventor of the famous smiley face! Join the fun on Worcester Common from 4 to 5PM as smiley fans of all generations come together to kick off a weekend of smiles with a ceremonial cake, souvenir pins for the first 100 participants, and more.