Fait mathématique: 9377 is a value of n for which n, 2n, 3n, and 4n all use the same number of digits in Roman numerals.
Culture générale: 9377 is an uninteresting number.
Date historique: September 2nd is the day in 1649 that the Italian city of Castro is completely destroyed by the forces of Pope Innocent X, ending the Wars of Castro.