Fait mathématique: 22169 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 22169 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 10th is the day in 1919 that Austria and the Allies sign the Treaty of Saint-Germain recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.