World War I: Trench Warfare Begins 1/4

The Battle of the Marne results in a decisive victory for Allied forces, and the phenomenon of trench warfare begins to emerge at Aisne.
great military conflict history battle of marne aisne first second artillery poison gas barbed wire machine gun tank western front race to the sea germany france lorraine documentary industrialism flemish coast chlorine hague convention canadian soldiers map legacy series secrets in color mengutimur
















































