EntityQ566859· pop 10· linked from 326 articlesOperation RegenbogenSign in to saveCode name for the planned mass scuttling of the German U-boat fleetConnectionsKriegsmarineEntityConvoys HX 229/SC 122EntityGermanEntityAdolf HitlerPersonWorld War IIConceptCopenhagenEntityHamburgEntityBaltic SeaEntityNorth SeaEntityDwight D. EisenhowerPersonNazi GermanyConceptInternational Standard Book NumberEntityKielEntityPortoEntityLübeckEntityRostockEntityRed ArmyEntityFlensburgEntityAllies of World War IIEntityEastern FrontEntityCategoriesKarl DönitzMaritime incidents in May 1945May 1945 in EuropeMilitary operations of World War II involving GermanyNaval battles and operations of the European theatre of World War IIOperation Regenbogen (U-boat)