general_fact: 28109 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 28109 is an unremarkable number.
trivia: 28109 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: December 15th is the day in 2005 that Latvia amends its constitution to eliminate possibility of same-sex couples being entitled to marry.