general_fact: 364 is the total number of gifts received in the song "The Twelve Days of Christmas".
math_fact: 364 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 364 is the total number of gifts received in the song "The Twelve Days of Christmas".
historical_date: December 29th is the day in 1997 that Hong Kong begins to kill all the nation's 1.25 million chickens to stop the spread of a potentially deadly influenza strain.