Fait général: 1341 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1341 is a number n for which f(n) is a repdigit.
Culture générale: 1341 is an unremarkable number.
Date historique: September 2nd is the day in 1752 that Great Britain adopts the Gregorian calendar, nearly two centuries later than most of Western Europe.