math_fact: 66607 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 66607 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 12th is the day in 2006 that Mass unrest by the Primeiro Comando da Capital begins in São Paulo (Brazil), leaving at least 150 dead.