| Date | Event | Place |
|---|---|---|
| Oct 02, 2026 | World Smile Day 2026 | World |
| Oct 01, 2027 | World Smile Day 2027 | World |
Significance: World Smile Day is celebrated annually on the first Friday in October. The idea of the Day was coined and initiated by Harvey Ball, a commercial artist, who created the Smiley Face in 1963. The day should make people smile.