Fait général: 11921 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 11921 is a boring number.
Culture générale: 11921 is an unremarkable number.
Date historique: August 20th is the day in 1308 that Pope Clement V pardons Jacques de Molay, the last Grand Master of the Knights Templar, absolving him of charges of heresy.