math_fact: 7070 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 7070 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 10th is the day in 1877 that Romania declares itself independent from the Ottoman Empire following the Senate adoption of Mihail Kogălniceanu's Declaration of Independence.