general_fact: 9646 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 9646 is an uninteresting number.
trivia: 9646 is an unremarkable number.
historical_date: May 29th is the day in 1790 that Rhode Island becomes the last of the original United States' colonies to ratify the Constitution and is admitted as the 13th U.S. state.