general_fact: 12559 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 12559 is an uninteresting number.
trivia: 12559 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 20th is the day in 1813 that Napoleon Bonaparte leads his French troops into the Battle of Bautzen in Saxony, Germany, against the combined armies of Russia and Prussia.