general_fact: 204 is the HTTP status code indicating the request was received but there is no response to the request.
math_fact: 204 is a member of the Mian–Chowla sequence, being the smallest number after 182 such that the pairwise sums of the previous terms are all distinct.
trivia: 204 is the HTTP status code indicating the request was received but there is no response to the request.
historical_date: July 22nd is the day in 1499 that Battle of Dornach – The Swiss decisively defeat the Imperial army of Emperor Maximilian I.