World Smile Day® 2004 featured a "Where's Smiley" contest with grants made to the winners charity.  It also featured a huge hot air Smiley Face balloon which got some notice in downtown Worcester.

WSD 2004

A special hot air smiley balloon dominated the skyline in downtown Worcester for World Smile Day® 2004. The day featured a “Where’s Smiley” contest, open to non-profit organizations, with the winner receiving a cash prize donated by the Harvey Ball World Smile Foundation, created after Harvey’s death to honor his name and legacy.