general_fact: 86594 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 86594 is an uninteresting number.
trivia: 86594 is a boring number.
historical_date: January 31st is the day in 1900 that Datu Muhammad Salleh is assassinated in Kampung Teboh, Tambunan, ending the Mat Salleh Rebellion.