math_fact: 5626 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 5626 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 27th is the day in 1971 that the Dahlerau train disaster, the worst railway accident in West Germany, kills 46 people and injures 25 near Wuppertal.