general_fact: 18922 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 18922 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 18922 is a boring number.
historical_date: October 21st is the day in 1520 that João Álvares Fagundes discovers the islands of Saint-Pierre and Miquelon, bestowing them their original name of "Islands of the 11,000 Virgins".