Answer: 20 July
Notes: World Chess Day, celebrated annually on July 20th, marks the establishment of the International Chess Federation (FIDE) in Paris in 1924. UNESCO proposed this day in 1966, recognizing chess for its intellectual benefits and cultural diversity. Originating in India as "Chaturanga" nearly 1500 years ago, chess is promoted as a game for all ages and backgrounds. FIDE was founded by chess organizations from eight countries.
