This unit explores the Holocaust, as the destruction of European Jewry is commonly known. The mass killing represented by the Holocaust raises many questions concerning the development of European civilisation during the twentieth century. This unit, therefore, covers essential ground if you wish to understand this development. This study unit is just one of many that can be found on LearningSpace, part of OpenLearn, a collection of open educational resources from The Open University. Published in ePub 2.0.1 format, some feature such as audio, video and linked PDF are not supported by all ePub readers.