Fait général: 7665 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 7665 is a Kaprekar constant in base 2.
Culture générale: 7665 is an unremarkable number.
Date historique: December 25th is the day in 1991 that Mikhail Gorbachev resigns as president of the Soviet Union (the union itself is dissolved the next day).