general_fact: 9429 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 9429 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 9429 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: October 24th is the day in 1360 that the Treaty of Brétigny is ratified at Calais, marking the end of the first phase of the Hundred Years' War.