general_fact: 9722 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 9722 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 9722 is an uninteresting number.
historical_date: August 13th is the day in 1969 that the Apollo 11 astronauts are released from a three-week quarantine to enjoy a ticker-tape parade in New York.