general_fact: 91498 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 91498 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 91498 is an unremarkable number.
historical_date: July 6th is the day in 1893 that the small town of Pomeroy, Iowa, is nearly destroyed by a tornado that kills 71 people and injures 200.