Fait mathématique: 81064 is an unremarkable number.
Culture générale: 81064 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: December 11th is the day in 969 that Byzatine Emperor Nikephoros II is assassinated by his wife Theofano and her lover, the later Emperor John I Tzimiskes.