math_fact: 5747 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 5747 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: September 25th is the day in 1978 that PSA Flight 182, a Boeing 727-214, collides in mid-air with a Cessna 172 and crashes in San Diego, California, resulting in the deaths of 144 people.