Fait général: 9028 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 9028 is the number of ways to tile a 9×4 rectangle with integer-sided squares.
Culture générale: 9028 is an unremarkable number.
Date historique: September 18th is the day in 1947 that the National Security Council and the Central Intelligence Agency were established in the United States under the National Security Act.