general_fact: 19231 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 19231 is an uninteresting number.
trivia: 19231 is an unremarkable number.
historical_date: August 25th is the day in 2003 that the Tli Cho land claims agreement is signed between the Dogrib First Nations and the Canadian federal government in Rae-Edzo (now called Behchoko).