general_fact: 47819 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 47819 is an uninteresting number.
trivia: 47819 is an uninteresting number.
historical_date: December 3rd is the day in 1912 that Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with Turkey, ending the two-month long First Balkan War.