Fait général: 9888 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9888 is the number of connected graphs with 8 vertices whose complements are also connected.
Culture générale: 9888 is a boring number.
Date historique: January 26th is the day in 1992 that Boris Yeltsin announces that Russia will stop targeting United States cities with nuclear weapons.