general_fact: 74590 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 74590 is an uninteresting number.
trivia: 74590 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
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.