Fait général: 1228 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1228 is a structured pentagonal hexacontahedral number.
Culture générale: 1228 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: May 12th is the day in 1264 that the Battle of Lewes, between King Henry III of England and the rebel Simon de Montfort, 6th Earl of Leicester, begins.