general_fact: 98938 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 98938 is a boring number.
trivia: 98938 is a boring number.
historical_date: November 18th is the day in 1940 that New York City's "Mad Bomber" George Metesky places his first bomb at a Manhattan office building used by Consolidated Edison.