Fait général: 2781 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2781 is an unremarkable number.
Culture générale: 2781 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: August 12th is the day in 1944 that Alençon is liberated by General Leclerc, the first city in France to be liberated from the Nazis by French forces.