Article Detail World Deaf Day Answer: 26 September Similar Questions : 1. National Science Day Answer: 28 February 2. World Heritage Day Answer: 18 April 3. Valentine Day Answer: 14 February 4. National Energy Conservation Day Answer: 14 December 5. Engineer's Day Answer: 15 September 6. National Law Day Answer: 26 November 7. International Labour Day Answer: 1st May Read more from - Important Days of Year