Article Detail World Environment Day Answer: 5th June Similar Questions : 1. Birthday of Shri Lal Bahadur Shastri Answer: 2 October, 1904 2. Quit India Day Answer: 9th August 3. Valentine Day Answer: 14 February 4. International Labour Day Answer: 1st May 5. Army day Answer: 15 January 6. World AIDS Day Answer: 1 December 7. International Friendship Day Answer: 3rd August Read more from - Important Days of Year