math_fact: 68183 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 68183 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: September 4th is the day in 626 that Li Shimin, posthumously known as Emperor Taizong of Tang, assumes the throne over the Tang Dynasty of China.