general_fact: 19498 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 19498 is an uninteresting number.
trivia: 19498 is a boring number.
historical_date: May 19th is the day in 1919 that Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, initiating what is later termed the Turkish War of Independence.