general_fact: 10911 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 10911 is an uninteresting number.
trivia: 10911 is a boring number.
historical_date: November 14th is the day in 1982 that Lech Wałęsa, the leader of Poland's outlawed Solidarity movement, is released after eleven months of internment near the Soviet border.