general_fact: 69729 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 69729 is an unremarkable number.
trivia: 69729 is an uninteresting number.
historical_date: November 28th is the day in 1627 that the Polish–Lithuanian Commonwealth Navy has its greatest and last victory in the Battle of Oliva.