general_fact: 9426 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 9426 is a value of n for which 5n and 7n together use each digit exactly once.
trivia: 9426 is an unremarkable number.
historical_date: October 21st is the day in 1973 that Fred Dryer of the then Los Angeles Rams becomes the first player in NFL history to score two safeties in the same game.