⟶ Updated 10 months ago ⟶
List of edits
Gavrilo Princip assassinates Archduke Franz Ferdinand and his wife
Germany issues “Blank Check” to Austria-Hungary
Austria-Hungary issues ultimatum to Serbia
Russia emphasizes to Germany they are NOT mobilizing (preparing)
Serbia rejects ultimatum from Austria-Hungary
Austria-Hungary declares war on Serbia
Russia mobilizes. Germany warns them to stand down.
–France mobilizes in support of Russia. Germany mobilizes and declares war on Russia.
Germany declares war on France in anticipation of French support for Russia. King Albert I of Belgium denies Germany permission to march through.
Great Britain declares war on Germany when German troops march into Belgium
The British ocean liner Lusitania is sunk by German U-boat.
Sussex Pledge – Germany (out of fear the U.S. will enter the war against them) agree to end unrestricted submarine warfare.
British intercept the Zimmerman Telegram
Germany resumes unrestricted submarine warfare
America joins the war with the Allies
Russia (new government) signs Treaty of Brest-Litovsk with Germany
Armistice Day. Fighting ends.
Battle of Marne
Bulgaria joins the Central Powers
woodrow wilson is re-elected under the slogan "he Kept Us out of War"
The Battle of Verdun. General Falkenhayn tries to beat the French through attrition
The Battle of the Somme – The British pull German attention from the French (Verdun)
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