Fait mathématique: 21959 is an unremarkable number.
Culture générale: 21959 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: February 13th is the day in 1935 that a jury in Flemington, New Jersey finds Bruno Hauptmann guilty of the 1932 kidnapping and murder of the Lindbergh baby, the son of Charles Lindbergh.