Hecho matemático: 7719 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 7719 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: February 17th is the day in 1871 that the victorious Prussian Army parades though Paris, France after the end of the Siege of Paris during the Franco-Prussian War.