Fait mathématique: 1497 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 1497 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: February 5th is the day in 1958 that a hydrogen bomb known as the Tybee Bomb is lost by the US Air Force off the coast of Savannah, Georgia, never to be recovered.