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.