World Smile Day 2024 Date Theme. Social media post ideas for world smile day. World smile day aims to promote goodwill and positivity by smiling at others and performing acts of kindness while serving as a reminder of the power of a simple smile to brighten.

World smile day is celebrated on the first friday in october each year since 1999. The idea of world smile day was coined and initiated by harvey ball, a commercial artist from worcester, massachusetts.