Article Detail World Post Office Day Answer: 9 October Similar Questions : 1. World Tourism Day Answer: 27th September 2. Kisan Divas Answer: 23 December 3. World Ozone Day Answer: 16 September 4. World press freedom day Answer: 3rd May 5. Anti Terrorism Day Answer: 21st May 6. Indian Armed Forces Flag Day Answer: 7 December 7. World Animal Welfare Day Answer: 4 October Read more from - Important Days of Year