Article Detail World Heritage Day Answer: 18 April Similar Questions : 1. World Leprosy Eradication Day Answer: 30 January 2. World Citizen Day Answer: 19 November 3. World AIDS Day Answer: 1 December 4. World Meteorological Day Answer: 23 March 5. Indian Civil Service Day Answer: 21 April 6. Panchayat Divas Answer: 24 April 7. Engineer's Day Answer: 15 September Read more from - Important Days of Year