Reichstag inquiry into guilt for World War I

German negotiating committee for the Treaty of Versailles. From left to right: Walther Schücking, Minister of Post Giesberts, Minister of Justice Landsberg, Foreign Minister Brockdorff-Rantzau, President of the Prussian State Assembly Leinert, Karl Melchior.

The Reichstag inquiry into guilt for World War I[a] was a parliamentary committee in Weimar Germany that was tasked with investigating the events that had led to the "outbreak, prolongation and loss of the First World War". It was established by the Reichstag on 21 August 1919, after Article 231 of the Treaty of Versailles had imposed sole responsibility for the war on Germany and her allies.

Its four subcommittees were assigned to examine the causes for the outbreak of the war; what opportunities for peace had presented themselves during the war and why they had failed; acts by Germany that were contrary to international law; and the causes for Germany's defeat. During its thirteen-year life (1919–1932), the committee suffered under increasing interference from the government, which wanted to prevent a German admission of guilt before the world public. The committee also encountered passive resistance from the civil service and military. In many cases, it bowed to pressure and did not take decisive action to require their cooperation. The majority of Germans also shifted more and more to the side of the political forces that had no interest in a public clarification. The results of the individual subcommittees were thus of limited value.

The work itself, as far as the records show, was mostly done prudently and conscientiously. The files containing the course of the proceedings and the expert opinions are accordingly of high value as source material. The investigative committee was not re-established after the Nazi Party won the largest number of seats in the July 1932 Reichstag election. Some of its work remained incomplete and much that had been finished was either suppressed or was destroyed during World War II.
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