math_fact: 13105 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 13105 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: November 17th is the day in 1810 that Sweden declares war on its ally the United Kingdom to begin the Anglo-Swedish War, although no fighting ever takes place.