general_fact: 10169 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 10169 is an uninteresting number.
trivia: 10169 is a boring number.
historical_date: November 3rd is the day in 1333 that the River Arno flooding causing massive damage in Florence as recorded by the Florentine chronicler Giovanni Villani.