general_fact: 54321 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 54321 is an unremarkable number.
trivia: 54321 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: September 21st is the day in 1953 that LT No Kum-Sok a North Korean pilot defected to South Korea and is associated with Operation Moolah.