general_fact: 84976 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 84976 is a boring number.
trivia: 84976 is an unremarkable number.
historical_date: August 27th is the day in 1859 that Petroleum is discovered in Titusville, Pennsylvania leading to the world's first commercially successful oil well.