general_fact: 97978 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 97978 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 97978 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: April 2nd is the day in 1972 that Actor Charlie Chaplin returns to the United States for the first time since being labeled a communist during the Red Scare in the early 1950s.