Article Detail International Labour Day Answer: 1st May Similar Questions : 1. World Leprosy Eradication Day Answer: 30 January 2. Father's Day Answer: 3rd Sunday of June 3. International Day for the Elderly Answer: 1 October 4. Worldtheatre Day Answer: 27 March 5. World Health Day Answer: 7 April 6. National Sports Day Answer: 29 August 7. World Population Day Answer: 11th July Read more from - Important Days of Year