math_fact: 6359 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 6359 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 29th is the day in 1867 that the Ausgleich ("the Compromise") is born through Act 12, which establishes the Austro-Hungarian Empire.