general_fact: 88631 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 88631 is an unremarkable number.
trivia: 88631 is an unremarkable number.
historical_date: August 30th is the day in 1945 that the Supreme Commander of the Allied Forces, General Douglas MacArthur lands at Atsugi Air Force Base.