general_fact: 6744 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 6744 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 6744 is an unremarkable number.
historical_date: June 18th is the day in 1935 that Police in Vancouver, British Columbia, Canada clash with striking longshoremen, resulting in a total 60 injuries and 24 arrests.