Fait mathématique: 20835 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 20835 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: January 15th is the day in 1493 that Christopher Columbus sets sail for Spain from Hispaniola, ending his first voyage to the New World.