general_fact: 48703 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 48703 is an uninteresting number.
trivia: 48703 is an uninteresting number.
historical_date: May 5th is the day in 1215 that Rebel barons renounce their allegiance to King John of England — part of a chain of events leading to the signing of the Magna Carta.