Fait mathématique: 7448 is a value of n for which n, 2n, 3n, and 4n all use the same number of digits in Roman numerals.
Culture générale: 7448 is an uninteresting number.
Date historique: May 22nd is the day in 1972 that Ceylon adopts a new constitution, thus becoming a Republic, changes its name to Sri Lanka, and joins the Commonwealth of Nations.