Fait mathématique: 22531 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 22531 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 7th is the day in 2010 that a Chinese fishing trawler collided with two Japanese Coast Guard patrol boats in disputed waters near the islands.