Fait général: 9566 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9566 is an unremarkable number.
Culture générale: 9566 is a boring number.
Date historique: March 10th is the day in 1629 that Charles I of England dissolves the Parliament, beginning the eleven-year period known as the Personal Rule.