general_fact: 7937 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 7937 is the smallest number whose cube contains 5 consecutive 9's.
trivia: 7937 is an uninteresting number.
historical_date: September 23rd is the day in 1459 that Battle of Blore Heath, the first major battle of the English Wars of the Roses, is fought at Blore Heath in Staffordshire.