math_fact: 20290 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 20290 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: July 20th is the day in 1977 that the Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind control experiments.