general_fact: 4214 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 4214 is an uninteresting number.
trivia: 4214 is a boring number.
historical_date: July 15th is the day in 1888 that the stratovolcano Mount Bandai erupts killing approximately 500 people, in Fukushima Prefecture, Japan.