Fait mathématique: 64099 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 64099 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: June 30th is the day in 1934 that the Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.