general_fact: 25797 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 25797 is an unremarkable number.
trivia: 25797 is an uninteresting number.
historical_date: August 17th is the day in 986 that a Byzantine army is destroyed in the pass of Trajan's Gate by the Bulgarians under the Comitopuli Samuel and Aron.