A field army (or numbered army or simply army) is a military formation in many armed forces, composed of two or more corps and may be subordinate to an army group.
General of the Infantry (General der Infanterie; short: General d. Inf.) is a former rank of German Ground forces (de: Heer).
The German Army (Heer) was the land forces component of the Wehrmacht, the regular German Armed Forces, from 1935 until it was demobilized and later dissolved in August 1946.
The term Siegfried Line refers to two different German defensive lines, one during the First World War and the other during the Second World War.
The Wehrmacht (lit. "defence force")From wehren, "to defend" and Macht., "power, force".
World War I (often abbreviated as WWI or WW1), also known as the First World War, the Great War, or the War to End All Wars, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.
World War II (often abbreviated to WWII or WW2), also known as the Second World War, was a global war that lasted from 1939 to 1945, although conflicts reflecting the ideological clash between what would become the Allied and Axis blocs began earlier.
The 5th Army (5.) was an army level command of the German Army in World War I. It was formed on mobilization in August 1914 seemingly from the VII Army Inspection.