Fait général: 16569 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 16569 is an unremarkable number.
Culture générale: 16569 is an unremarkable number.
Date historique: May 12th is the day in 1743 that Maria Theresa of Austria is crowned Queen of Bohemia after defeating her rival, Charles VII, Holy Roman Emperor.