math_fact: 4302 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 4302 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: October 11th is the day in 1634 that the Burchardi flood – "the second Grote Mandrenke" killed around 15,000 men in North Friesland, Denmark and Germany.