17 September — the National Football League (NFL) is founded as the American Professional Football Association in Canton, Ohio. Of the teams in the current NFL, only the Decatur Staleys (renamed the Chicago Bears) and the Racine (Chicago) Cardinals (the current Arizona Cardinals) remain in existence.
14 December — Death of Notre Dame player George Gipp (1895–1920), mainly remembered for his deathbed quote to coach Knute Rockne: "Win just one for the Gipper".
Post-war recovery continues and an English team goes to Australia in November to commence the first Test series since the war.
Derbyshire suffer the ignominy of a perfectly bad season, losing all seventeen county matches with any play. This is the second and last time this has occurred in county cricket, and the only time in the official County Championship.
Ice hockey is held at the 1920 Summer Olympics and is the second winter sport to feature at the Olympics — 4 years before the inaugural Winter Games is held
The 1916 Summer Olympics planned for Berlin having been cancelled due to World War I, the 1920 Games are awarded to Antwerp to "honour the suffering of the Belgian people"
United States wins the most medals (95) and the most gold medals (41)