general_fact: 9178 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 9178 is the maximum number of regions a cube can be cut into with 38 cuts.
trivia: 9178 is an uninteresting number.
historical_date: February 15th is the day in 1965 that a new red-and-white maple leaf design is adopted as the flag of Canada, replacing the old Canadian Red Ensign banner.