math_fact: 11250 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 11250 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: October 19th is the day in 1956 that the Soviet Union and Japan sign a Joint Declaration, officially ending the state of war between the two countries that had existed since August 1945.