Schlieffen Plan Schlieffen Plan The Schlieffen Plan (, ) was the name given, after the First World War, to German war plans and the influence of Field Marshal Alfred von Schlieffen and his thinking on the invasion of France and Belgium on 4 August 1914. Schlieffen was Chief of the General Staff of the German Army from 1891 to 1906. In 1905 and 1906, Schlieffen devised an army deployment plan for a war-winning offensive against the French Third Republic. After losing the First World War, German official historians of the and other writers described the plan as a blueprint for victory. (Colonel-General)
War Plan Red was developed by the United States Army following the 1927 Geneva Naval Conference and approved in May 1930 by Secretary of War Patrick J. Hurley and Secretary of Navy Charles Francis Adams III and updated in 1934–35; it was not presented for presidential or Congressional approval. Only the United States Congress has the power to declare war. In 1939, on the outbreak of World War II, a decision was taken that no further planning was required but that the plan be retained. War Plan Red was not declassified until 1974. The war plan outlined those actions that would be necessary