general_fact: 83576 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 83576 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 83576 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: October 27th is the day in 1962 that a plane carrying Enrico Mattei, post-war Italian administrator, crashes in mysterious circumstances.