Fait général: 5820 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5820 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 5820 is an uninteresting number.
Date historique: December 7th is the day in 1965 that Pope Paul VI and Patriarch Athenagoras simultaneously revoke mutual excommunications that had been in place since 1054.