general_fact: 10199 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 10199 is a boring number.
trivia: 10199 is an uninteresting number.
historical_date: December 3rd is the day in 1982 that a soil sample is taken from Times Beach, Missouri that will be found to contain 300 times the safe level of dioxin.