It has been announced that a bird of prey centre in France, called Les Aigles du Leman has become the first public collection in Europe to breed the African crowned eagle. Haute-Savoie: Rapaces tout juste sortis du nid - News Genève: Actu genevoise - tdg.ch Les Aigles du Leman | Parc animalier https://www.facebook.com/Les-Aigles-du-Léman-552304378139508/?fref=ts
Claims which are premature, as both Warwick Castle Falconry and Eagle Heights Wildlife Park have bred the species in recent years I believe.