general_fact: 804 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 804 is a value of n for which 2f(n) = f(n+1).
trivia: 804 is a boring number.
historical_date: March 14th is the day in 1942 that Orvan Hess and John Bumstead became the first in the world to successfully treat a patient, Anne Miller, using penicillin.