general_fact: 1457 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 1457 is a number that does not have any digits in common with its cube.
trivia: 1457 is a boring number.
historical_date: December 27th is the day in 1966 that the Cave of Swallows, the largest known cave shaft in the world, is discovered in Aquismón, San Luis Potosí, Mexico.