general_fact: 5670 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 5670 is a value of n for which f(n) and s(n) are square.
trivia: 5670 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: July 10th is the day in 1997 that Partido Popular (Spain) member Miguel Ángel Blanco is kidnapped in the Basque city of Ermua by ETA members, sparking widespread protests.