Fatto generale: 1957 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1957 is the number of permutations of some subset of 6 elements.
Trivia: 1957 is a boring number.
Data storica: May 10th is the day in 1997 that the Maeslantkering, a storm surge barrier in the Netherlands that is one of the world's largest moving structures, is opened by Queen Beatrix.