Fait mathématique: 1280 is the number of tilted rectangles with vertices in a 10×10 grid.
Culture générale: 1280 is a boring number.
Date historique: July 3rd is the day in 2001 that a Vladivostok Avia Tupolev Tu-154 jetliner crashes on approach to landing at Irkutsk, Russia killing 145 people.