general_fact: 17713 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 17713 is an unremarkable number.
trivia: 17713 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: June 29th is the day in 1995 that the Sampoong Department Store collapses in the Seocho-gu district of Seoul, South Korea, killing 501 and injuring 937.