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The spark of Sarajevo
Gavrilo Princip, a young Bosnian, assassinated the Austro-Hungarian heir Archduke Franz Ferdinand -
The ultimatum
Austria-Hungary sends an ultimatum to Serbia. -
Serbia doesn't reply to the ultimatum and allies with Russia, undermining German borders
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Both Germany and France proclaim general mobilization. Germany declares war on Russia.
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Neutrality
Italy and Belgium proclaims themselves neutrals. -
The Pact of London
Italy signs a secret treaty with the Triple Entente. His intent is to obtain lands that had not yet been released in the process of unity. -
The Russian Revolution
Russia retires from the war because of the revolution. -
The Treaty of Brest-Litovsk
The new Bolshevik government of Russia signs a peace treaty with the Central Powers (German Empire, Austria-Hungary, Bulgaria, and the Ottoman Empire), that ended Russia's participation in World War I. According to the treaty, Soviet Russia defaulted on all of Imperial Russia's commitments to the Allies and eleven nations became independent in Eastern Europe and western Asia. -
USA declares war on Germany
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Germany in crisis
Franco-English resistance precipitates Germany into a military and political crisis. -
The Paris Peace
The Paris Peace was the meeting in of the victorious Allies after the end of World War I to set the peace terms for the defeated Central Powers. -
The Treaty of the Trianon
Here the fate of the Kingdom of Hungary was established following the dissolution of the Austro-Hungarian Empire -
The Treaty of Versailles
The Treaty of Versailles was the most important of the peace treaties. With this treaty Germany undergoes a total defeat. It is limited geographically and is forced to pay all war expenses -
The Treaty of Saint-Germain
This treaty established the division of the dissolved Austro-Hungarian Empire and the conditions for the creation of the Austrian republic. -
The Treaty of Neuilly
It established the borders of the disputed territories between Bulgaria, Turkey, Greece and the Kingdom of the Serbs, Croats and Slovenes. -
The Treaty of Sèvres
With this treaty, the Ottoman Empire, already drastically downsized with the 1913 Treaty of London, found itself reduced to a modest state within the limits of the Anatolian peninsula, deprived of all Arab territories and sovereignty over the Bosporus Straits and the Dardanelles.