Fait mathématique: 2196 is the only number n so that 2n, 3n, 7n, and 9n together contain every digit 1-9 exactly twice.
Culture générale: 2196 is an unremarkable number.
Date historique: January 4th is the day in 1490 that Anne of Brittany announces that all those who would ally with the king of France will be considered guilty of the crime of Lese-majesty.