The year before, he gained prominence by publicly criticizing the verdict of the Federal Constitutional Court's ruling that the statement "soldiers are murderers" is protected free speech.
[citation needed] In recent years, Schultze-Rhonhof has published several works on the history of the Causes of World War II in Europe.
In this context, in May 2006 he and historians Stefan Scheil and Walter Post took part in a conference organized by the publishers Wigbert Grabert and Gert Sudholt under the title "Wollte Adolf Hitler den Krieg?"
In effect, he lays the blame for the outbreak of World War II substantially with Poland, citing its rejection of German offers to negotiate over the Danzig question and the Polish corridor.
Rather, he focuses on previously available printed documents from the foreign policy archives of the contending nations in order to develop an alternative analysis of the events leading to the outbreak of World War II.