Fait général: 43228 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 43228 is a boring number.
Culture générale: 43228 is a boring number.
Date historique: May 9th is the day in 1969 that Carlos Lamarca leads the first urban guerrilla action against the military dictatorship of Brazil in São Paulo, by robbing two banks.