general_fact: 47930 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 47930 is a boring number.
trivia: 47930 is an unremarkable number.
historical_date: March 24th is the day in 1934 that U.S. Congress passes the Tydings-McDuffie Act allowing the Philippines to become a self-governing commonwealth.