Fait général: 1937 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1937 is the number of digits of the 18^{th} perfect number.
Culture générale: 1937 is an unremarkable number.
Date historique: April 20th is the day in 2008 that Danica Patrick wins the Indy Japan 300 becoming the first female driver in history to win an Indy car race.