general_fact: 65431 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 65431 is a boring number.
trivia: 65431 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: February 21st is the day in 1245 that Thomas, the first known Bishop of Finland, is granted resignation after confessing to torture and forgery.