Article Detail World Water Day Answer: 22 March Similar Questions : 1. World Population Day Answer: 11th July 2. Nagasaki Day Answer: 9th August 3. International Friendship Day Answer: 3rd August 4. World Sight Day Answer: Second Thursday of October 5. Indian Civil Service Day Answer: 21 April 6. World Citizen Day Answer: 19 November 7. National Science Day Answer: 28 February Read more from - Important Days of Year