general_fact: 16961 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 16961 is a boring number.
trivia: 16961 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: June 8th is the day in 1405 that Richard le Scrope, Archbishop of York and Thomas Mowbray, Earl of Norfolk, are executed in York on Henry IV's orders.