general_fact: 4333 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 4333 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 4333 is a boring number.
historical_date: November 11th is the day in 1999 that the House of Lords Act is given Royal Assent, restricting membership of the British House of Lords by virtue of a hereditary peerage.