Fait général: 1957 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1957 is the number of permutations of some subset of 6 elements.
Culture générale: 1957 is an uninteresting number.
Date historique: May 10th is the day in 1503 that Christopher Columbus visits the Cayman Islands and names them Las Tortugas after the numerous turtles there.