Article Detail Earth Day Answer: 22 April Similar Questions : 1. World Forestry Day Answer: 21 March 2. Doctor's Day Answer: 1st July 3. National Technology Day Answer: 11 May 4. International custom day Answer: 26 January 5. World Population Day Answer: 11th July 6. Mother's Day Answer: Second sunday of May 7. World Food Day Answer: 16 October Read more from - Important Days of Year