EntityQ19831559· pop 16· linked from 19 articlesOldenburgSign in to savehistorical federated stateConnectionsOldenburgEntityNorth German ConfederationEntityOstholsteinEntityPrincipality of WaldeckEntityPrincipality of Reuss-GeraEntityPrince-Bishopric of LübeckEntityRussiaCountryDenmarkConceptAustriaCountryLuxembourgCountryBerlinEntityLiechtensteinCountryNapoleonPersonWorld War IConceptHamburgEntityHoly Roman EmpireEntityLower SaxonyEntityInternational Standard Book NumberEntityCatherine II of RussiaEntityPrussiaEntityCategoriesFormer states and territories of Lower SaxonyOldenburg (state)