Fait mathématique: 5399 is an unremarkable number.
Culture générale: 5399 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: October 12th is the day in 1991 that Askar Akayev, previously chosen President of Kyrgyzstan by republic's Supreme Soviet, is confirmed president in an uncontested poll.