Fait général: 2680 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2680 is the number of different arrangements of 11 non-attacking queens on an 11×11 chessboard.
Culture générale: 2680 is an uninteresting number.
Date historique: May 3rd is the day in 1957 that Walter O'Malley, the owner of the Brooklyn Dodgers, agrees to move the team from Brooklyn, New York, to Los Angeles, California.