math_fact: 83508 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 83508 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: August 20th is the day in 1998 that the Supreme Court of Canada rules that Quebec cannot legally secede from Canada without the federal government's approval.