Fait mathématique: 2017 is a value of n for which f(n) = f(n-1) + f(n-2).
Culture générale: 2017 is an uninteresting number.
Date historique: July 9th is the day in 1979 that a car bomb destroys a Renault motor car owned by famed "Nazi hunters" Serge and Beate Klarsfeld at their home in France.