math_fact: 47712 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 47712 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 1848 that Camila O'Gorman and Ladislao Gutierrez are executed on the orders of Argentine dictator Juan Manuel de Rosas.