Article Detail World Ozone Day Answer: 16 September Similar Questions : 1. World Laughter Day Answer: 10th January 2. World Marriage Day Answer: Second Sunday of february 3. Balika Divas Answer: 9 December 4. World Peace Day Answer: 6th August 5. International Women's Day Answer: 8th March 6. World Environment Day Answer: 5th June 7. World Health Day Answer: 7 April Read more from - Important Days of Year