Fait mathématique: 1025 is the smallest number that can be written as the sum of a square and a cube in 4 ways.
Culture générale: 1025 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: October 21st is the day in 1973 that John Paul Getty III's ear is cut off by his kidnappers and sent to a newspaper in Rome; it doesn't arrive until November 8.