general_fact: 17263 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 17263 is an uninteresting number.
trivia: 17263 is a boring number.
historical_date: April 6th is the day in 1903 that the Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Israel and the Western world.