General fact: 7967 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 7967 is an uninteresting number.
Trivia: 7967 is an uninteresting number.
Historical date: October 23rd is the day in 1989 that the Hungarian Republic is officially declared by president Mátyás Szűrös, replacing the communist Hungarian People's Republic.