World Smile Day: Global celebration of smiles and kindness.
Originated in 1999 by Harvey Ball, the smiley face creator.
A smile's universal language fosters happiness and connections.
Encourages acts of kindness for a compassionate world.
Celebrations include smile parades and kindness workshops.
Social media amplifies the global reach with #WorldSmileDay.
Ongoing impact: Promotes hope, positivity, and shared humanity.