Fait général: 9621 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9621 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 9621 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: May 4th is the day in 1871 that the National Association, the first professional baseball league, opens its first season in Fort Wayne, Indiana.