The Marne River in France. It was about sixty miles from Paris and it was twice the location of a final and successful defensive stand to keep the Germans out of Paris.
In World War 1 (1914-1918) the Oder was of strategic significance at all.
Yser
the somme
The German army invaded and occupied Belgium at the beginning of World War 1. Belgium was a neutral country but was seen as a strategic location by Germany for its military advancements.
Le Somme, it was a heavily contested river during World War 1. Vicious stalemates along this river during WW1 led to extremely high body counts, but was captured with the help of the Americans by the wars end.
the Marne River
Marne
In World War 1 (1914-1918) the Oder was of strategic significance at all.
Difficult to say about the strategic bit. Certainly the Marne & the Somme, the Aisne too. Verdun is in the valley of the Meuse. The Isonzo in northern Italy saw much fighting, notably at Caporetto.
The Marne River.
Dardanelles .
through horrible ruling of kings
Tigris River
Yser
the setting was a river in France called yser
The Somme river region, northern France.
the somme