Fait mathématique: 7364 is a value of n for which n and 8n together use each digit 1-9 exactly once.
Culture générale: 7364 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: February 28th is the day in 1838 that Robert Nelson, leader of the Patriotes, proclaims the independence of Lower Canada (today Quebec).