general_fact: 9731 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 9731 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 9731 is a boring number.
historical_date: August 22nd is the day in 1770 that James Cook names and lands on Possession Island, Queensland and claims the east coast of Australia as New South Wales in the name of King George III.