math_fact: 19259 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 19259 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: September 22nd is the day in 1857 that the Russian warship Lefort capsizes and sinks during a storm in the Gulf of Finland, killing all 826 aboard.