Fait général: 6435 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 6435 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 6435 is an unremarkable number.
Date historique: August 13th is the day in 1536 that Buddhist monks from Kyōto's Enryaku-ji temple set fire to 21 Nichiren temples throughout in what will be known as the Tenbun Hokke Disturbance.