Fait mathématique: 2919 is (2 + 9 + 1 + 9) × (29 + 91 + 19).
Culture générale: 2919 is a boring number.
Date historique: December 28th is the day in 1612 that Galileo Galilei becomes the first astronomer to observe the planet Neptune, although he mistakenly catalogued it as a fixed star.