Fait mathématique: 1434 is a number whose sum of squares of the divisors is a square.
Culture générale: 1434 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: December 4th is the day in 1937 that the first issue of the children's comic, The Dandy Comic, is published, one of the first to use speech balloons.