Hecho matemático: 2337 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 2337 is an unremarkable number.
Fecha histórica: May 25th is the day in 1521 that the Diet of Worms ends when Charles V, Holy Roman Emperor, issues the Edict of Worms, declaring Martin Luther an outlaw.