__.__.1933
foundation as Jeunesse ProléTARIENNE and CS Compagnie des Forges to Association Sportive de Saint-Dizier
__.__.1940
merger with US Marnavalaise to Association Sportive de Saint-Dizier-Marnaval
__.__.1960
merger with E.R.C.B to Club Omnisports de Saint-Dizier
__.__.1987
renaming in Club Olympique de Saint-Dizier