general_fact: 9691 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 9691 is an unremarkable number.
trivia: 9691 is an unremarkable number.
historical_date: July 13th is the day in 1260 that the Livonian Order suffers its greatest defeat in the 13th century in the Battle of Durbe against the Grand Duchy of Lithuania.