general_fact: 84887 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 84887 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 84887 is an unremarkable number.
historical_date: May 30th is the day in 1806 that Andrew Jackson kills Charles Dickinson in a duel after Dickinson had accused Jackson's wife of bigamy.