The War Guilt Clause in the 1919 Versailles Treaty forced Germany to accept full responsiblity for initiating hostilities in World War I.
The clause is generally accepted to be Article 231 of The Treaty of Versailles: "The Allied and Associated Governments affirm and Germany accepts the responsibility of Germany and her allies for causing all the loss and damage to which the Allied and Associated Governments and their nationals have been subjected as a consequence of the war imposed upon them by the aggression of Germany and her allies. "
