Great Debate — astronomy debate held on 26 April 1920 at the Smithsonian Museum of Natural History between Harlow Shapley and Heber Curtis about whether spiral nebulae were different galaxies or part of the Milky Way

Korenizatsiya — integration of the non-Russian peoples to the Soviet Union by promoting their languages and cultures

Water polo at the 1920 Summer Olympics — water polo at the Olympics

Swimming at the 1920 Summer Olympics — swimming events at the Olympics

Football at the 1920 Summer Olympics — 1920 edition of the association football tournament during the Olympic Games

Nakba Day — Palestinian day of commemoration

1920 Summer Olympics medal table — award

Leninism — communist ideology and state ideology of socialist states, as developed by Vladimir Lenin

Athletics at the 1920 Summer Olympics — 1920 Summer Olympic games athletics summary

1920 South American Championship — football tournament

Tennis at the 1920 Summer Olympics — Tennis at the Olympics