Fait général: 2308 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 2308 is the number of conjugacy classes of the alternating group A_{29}.
Culture générale: 2308 is an uninteresting number.
Date historique: April 26th is the day in 1960 that Forced out by the April Revolution, President of South Korea Syngman Rhee resigns after twelve years of dictatorial rule.