National sporting events and their corresponding nations. It is either a popular sport within a country or one with a historical connection to the country that is recognized as the official sport. Take a look at the list of nations and their national games. https://www.cafetopic.com/sports/how-many-sports-exist.html https://www.cafetopic.com/sports/what-are-some-examples-of-sports-that-dont-use-balls.html https://www.cafetopic.com/sports/what-is-a-list-of-national-sports-of-different-countries.html https://www.cafetopic.com/sports/what-is-your-favourite-sport-and-why.html