Fait général: 9585 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9585 is a boring number.
Culture générale: 9585 is an uninteresting number.
Date historique: March 29th is the day in 1867 that Queen Victoria gives Royal Assent to the British North America Act which establishes the Dominion of Canada on July 1.