Fait mathématique: 1714 is the number of graphs with 9 vertices and 7 cycles.
Culture générale: 1714 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 9th is the day in 2010 that a natural gas pipeline explosion in San Bruno, California, creates a "wall of fire" more than 1,000 feet (300 m) high.