math_fact: 47900 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 47900 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: February 22nd is the day in 1994 that Aldrich Ames and his wife are charged by the United States Department of Justice with spying for the Soviet Union.