general_fact: 4156 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 4156 is 4^{5} + 1^{5} + 5^{5} + 6.
trivia: 4156 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: May 18th is the day in 2006 that the post Loktantra Andolan government passes a landmark bill curtailing the power of the monarchy and making Nepal a secular country.