Fait mathématique: 53820 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 53820 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: May 9th is the day in 1961 that Jim Gentile of the Baltimore Orioles becomes the first player in baseball history to hit grand slams in consecutive innings.