The deportation of Jews from Norway in the autumn of 1942 has been a controversial topic in the Norwegian public for several years. The debate flared up again in the autumn of 2020, when historians Else B. Berggren, Bjarte Bruland and Mats Tangestuen sharply criticized Marte Michelet's book What did the home front know? In this book, What do historians know?, Espen Søbye asks: What is the academic basis for historians' criticism? Is it still possible to defend Michelet's theses? And have we now become wiser as to why more of the Jews in Norway did not escape arrest, deportation and extermination? With Søbye's book, the ground is laid for a Norwegian "Historikerstreit."