general_fact: 2684 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 2684 is an uninteresting number.
trivia: 2684 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 7th is the day in 1994 that Edvard Munch's iconic painting The Scream is recovered undamaged after having been stolen from the National Gallery of Norway in February.