math_fact: 47347 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 47347 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: August 18th is the day in 1587 that Virginia Dare, granddaughter of governor John White of the Colony of Roanoke, becomes the first English child born in the Americas.