general_fact: 13704 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 13704 is an unremarkable number.
trivia: 13704 is a boring number.
historical_date: July 8th is the day in 1962 that Ne Win besieges and dynamites the Rangoon University Student Union building to crash the Student Movement.