Fait mathématique: 91152 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 91152 is an uninteresting number.
Date historique: July 25th is the day in 1693 that Ignacio de Maya founds the Real Santiago de las Sabinas, now known as Sabinas Hidalgo, Nuevo León, México.