Reichstag inquiry into guilt for World War I
The Reichstag inquiry into guilt for World War I 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.
Source: Wikipedia — Reichstag inquiry into guilt for World War I (CC BY-SA 4.0)