general_fact: 1454 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 1454 is 11 + 444 + 555 + 444.
trivia: 1454 is a boring number.
historical_date: December 24th is the day in 1818 that the first performance of "Silent Night" takes place in the church of St. Nikolaus in Oberndorf, Austria.