Fatto generale: 2080 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 2080 is the number of different arrangements (up to rotation and reflection) of 26 non-attacking bishops on a 14×14 chessboard.
Trivia: 2080 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: September 10th is the day in 1419 that John the Fearless, Duke of Burgundy is assassinated by adherents of the Dauphin, the future Charles VII of France.