general_fact: 967 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 967 is the number of 6-digit triangular numbers.
trivia: 967 is an uninteresting number.
historical_date: August 24th is the day in 2006 that the International Astronomical Union (IAU) redefines the term "planet" such that Pluto is now considered a Dwarf Planet.