Fatto matematico: 2680 is the number of different arrangements of 11 non-attacking queens on an 11×11 chessboard.
Trivia: 2680 is an unremarkable number.
Data storica: 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.