An event every year that begins at 00:00 on day 20 of July, repeating indefinitely
When: July 20
Where: Everywhere
First occurrence: 1966
International Chess Day celebrates the day
the International Chess Federation (FIDE) was founded in 1924.
International Chess Day was proposed by UNESCO
and from then on celebrated since 1966.
Much later in 2019 International Chess Day was officially adopted by the UN.