__.__.1901
foundation as Football Club l'Espoir de Bressoux
01.07.1906
renaming in Football Club de Bressoux
15.04.1926
renaming in Royal Football Club de Bressoux
01.07.1992
merger with Royal Jupille Football Club to Royale Union Liégeoise
01.07.1996
renaming in Seraing Royale Union Liégeoise
01.07.2006
renaming in Royal Football Club Sérésien
16.12.2008
integration of Football Club Seraing
10.04.2014
buying matricule of Royal Boussu-Dour Borinage