Western Front: French-German border. The troops were dug into trenches and there was a bloody stalemate for virtually the whole war (four years). British and French vs. Germans. Eastern Front: Russia v.s. Germany and Austria-Hungary. Russia dropped out of the war in 1917 because of the bolshevik Revolution.
The proper noun forms for the first world war is World War 1, World War I, or World War One.
They were first evacuated in world war two.
world war = the whole world...
World War One.
First World War.
Australia joined the first world war in 1914
who was the first country to invade in world war 2
Russia was the first allied participant in World War One.
The Great War, The First World War, or The World War (until there was another one).
world war 1
First War of the World was created on 2009-03-20.
To fight in the First World War or similar. To fight in the First World War or similar.