general_fact: 97966 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 97966 is a boring number.
trivia: 97966 is an unremarkable number.
historical_date: March 21st is the day in 1935 that Shah Reza Pahlavi formally asks the international community to call Persia by its native name, Iran, which means 'Land of the Aryans.