Fait mathématique: 1141 is the smallest number whose 6^{th} power can be written as the sum of seven 6^{th} powers.
Culture générale: 1141 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: February 14th is the day in 2000 that the spacecraft NEAR Shoemaker enters orbit around asteroid 433 Eros, the first spacecraft to orbit an asteroid.