20th century

===Sport===
* The popularity of sport increased considerably—both as an activity for all and as entertainment, particularly on television.
* The modern [[Olympic Games]], first held in 1896, grew to include tens of thousands of athletes in dozens of sports.
* The [[FIFA World Cup]] was first held in 1930 and was held every four years after World War II.
* American League [[Baseball]] was formed in 1900 and in 1903, both National and American agreed to play in the first [[World Series]] with over 100,000 in attendance.<ref>{{cite book |last1=Giordano |first1=Ralph G. |title=Fun And Games In The Twentieth Century America: A Historical Guide to Leisure |date=2003 |publisher=GreenWood Press |isbn=0-313-32216-3 |page=20 |url=https://www.google.com/search?q=Fun+and+Games+in+Twentieth-Century+America%3A+A+Historical+Guide+to+Leisure |access-date=2 October 2023}}</ref>
* Boxing, also known as "Prize Fighting" became popular over this decade although [[bare-knuckle fighting]] was still popular.