Fait général: 1321 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 1321 is a boring number.
Culture générale: 1321 is an uninteresting number.
Date historique: August 13th is the day in 1969 that the Apollo 11 astronauts are released from a three-week quarantine to enjoy a ticker-tape parade in New York.