general_fact: 27518 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 27518 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 27518 is an unremarkable number.
historical_date: May 4th is the day in 2002 that an EAS Airlines BAC 1-11-500 crashes in a suburb of Kano, Nigeria shortly after takeoff killing more than 148 people.