Article Detail World Haemophilia Day Answer: 17 April Similar Questions : 1. Indian Navy Day Answer: 4 December 2. Hiroshima Day Answer: 6th August 3. World Marriage Day Answer: Second Sunday of february 4. International custom day Answer: 26 January 5. International Volunteers Day Answer: 5 December 6. World wild animal day Answer: 6 October 7. World Adult Day Answer: 18 November Read more from - Important Days of Year