Fait mathématique: 1933 is a prime factor of 111111111111111111111.
Culture générale: 1933 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: April 16th is the day in 1962 that Walter Cronkite takes over as the lead news anchor of the CBS Evening News, during which time he would become "the most trusted man in America".