general_fact: 21768 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 21768 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 21768 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: August 6th is the day in 2008 that a military junta led by Mohamed Ould Abdel Aziz stages a coup d'état in Mauritania, overthrowing president Sidi Ould Cheikh Abdallahi.