general_fact: 6754 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 6754 is the smallest number in base 9 to have 5 different digits.
trivia: 6754 is a boring number.
historical_date: June 28th is the day in 2004 that Sovereign power is handed to the interim government of Iraq by the Coalition Provisional Authority, ending the U.S.-led rule of that nation.