general_fact: 47084 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 47084 is an unremarkable number.
trivia: 47084 is an unremarkable number.
historical_date: November 28th is the day in 1895 that the first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois.