general_fact: 1965 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 1965 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 1965 is an uninteresting number.
historical_date: May 18th is the day in 1991 that Northern Somalia declares independence from the rest of Somalia as the Republic of Somaliland but is not recognized by the international community.