general_fact: 10933 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 10933 is a boring number.
trivia: 10933 is a boring number.
historical_date: December 6th is the day in 2008 that the 2008 Greek riots break out upon the killing of a 15-year-old boy, Alexandros Grigoropoulos, by a police officer.