Article Detail World Ozone Day Answer: 16 September Similar Questions : 1. CRPF foundation day Answer: 26 December 2. Central Excise Day Answer: 24 February 3. National Energy Conservation Day Answer: 14 December 4. World Thalassaemia Day Answer: 8th May 5. World Population Day Answer: 11th July 6. World Standards Day Answer: 14 October 7. Kisan Divas Answer: 23 December Read more from - Important Days of Year