(a) 19 July
(b) 20 July
(c) 21 July
(d) None of these
July 20 is celebrated as International Chess Day to honour the founding of the FIDE. Here’s taking a look at some World chess day history, meaning, etc. Every year on July 20, International Chess Day is celebrated to honour the founding of the Federation Internationale des Echecs, also known as FIDES, in the year 1924.