Basque pelota was featured at the Summer Olympics at the 1900 Games.
It was contested in another three Olympics as a demonstration sport: 1924, 1968 and 1992.
[1] In 2011, the International Federation of Basque Pelota proposed Basque pelota for the 2020 Olympic Games in the event that Madrid would win the candidacy, which it did not.
[2] Accurate as of the conclusion of the 1900 Olympics.
[3]