Outbreak of war was in 1914 in Sarafew. The heir of Austria- Hungarian empire visited Bosnia to try to again the loyality of Bosnia people. There a Serbian student, menber of nationalism groupe assasinated ferdinod. Then start the 1st World War.
Schlieffen plan(1905) in case of war:
Defeat France asad
But the plan failed(1914):
The belgium army fought bravely
The british helped and slowed the Germans down
Russia was more prepared than they thougt
Conclusion: trenches between Belgium and Switzerland
- They reached a Stalmate until 1917= No mans land.