general_fact: 28706 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 28706 is an unremarkable number.
trivia: 28706 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: August 4th is the day in 1965 that the Constitution of Cook Islands comes into force, giving the Cook Islands self-governing status within New Zealand.