The following events occurred in January 1921:
January 25, 1921: "Robots" introduced in fiction by Karel Čapek
January 21, 1921: American hit film The Kid, with Charlie Chaplin and Jackie Coogan, premieres
January 20, 1921: All 56 crew of British sub HMS K5 killed in sinking
The new Ambassador Hotel
The following events happened in December 1920
December 12, 1920: Akron Pros win first NFL title, with 0 - 0 tie
President Obregón
King Constantine
Wilson