general_fact: 20084 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 20084 is an unremarkable number.
trivia: 20084 is an unremarkable number.
historical_date: December 26th is the day in 1966 that the first Kwanzaa is celebrated by Maulana Karenga, the chair of Black Studies at California State University, Long Beach.