Fatto generale: 1320 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1320 is an uninteresting number.
Trivia: 1320 is a boring number.
Data storica: August 12th is the day in 1624 that the president of Louis XIII of France's royal council is arrested, leaving Cardinal Richelieu in the role of the King's principal minister.