general_fact: 94231 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 94231 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 94231 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: December 29th is the day in 1937 that the Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.