Fait mathématique: 2081 is a number n for which n, n+2, n+6, and n+8 are all prime.
Culture générale: 2081 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 11th is the day in 1992 that Hurricane Iniki, one of the most damaging hurricanes in United States history, devastates the Hawaiian islands of Kauai and Oahu.