Fait mathématique: 15090 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 15090 is an unremarkable number.
Date historique: April 24th is the day in 1479 BC that Thutmose III ascends to the throne of Egypt, although power effectively shifts to Hatshepsut (according to the Low Chronology of the 18th Dynasty).