__.__.1930
foundation as Agrupación Deportiva Plus Ultra
__.__.1948
affiliation to Real Madrid CF as a feeder team
__.__.1952
integration into Real Madrid CF and becoming its reserve team
21.07.1972
renaming to Castilla Club de Fútbol
__.__.1991
renaming to Real Madrid Deportiva
__.__.199?
renaming to Real Madrid Club de Fútbol B
__.__.2004
renaming to Real Madrid Castilla Club de Fútbol