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Assassination of Archuke Franz Ferdinad
heir to the throne of Austro-Hungarian empire, in Sarajevo, Bosnia -
Start of war
Austria-Hungary declares war on Serbia -
Period: to
World War 1
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Germanys Great Victory
Battle of Tannenberg, which Russia loses; Germany's greatest success of the war on Eastern Front -
Blockade of Britain
German U-boat attacks on Allied and neutral shipping; declares blockade of Britain -
Longest battle at Verdun
German attack on Verdun in the longest battle of the war, ultimately defended by the French at great cost to both sides -
Peace note
US President Woodrow Wilson requests statements of war objectives from warring nations in peace note -
Response to peace note
Allies state peace objectives in response to US President Woodrow Wilson's December 1916 peace note -
Telegram passed
Zimmermann Telegram is passed to the US by Britain, detailing alleged German proposal of an alliance with Mexico against the US -
Four Princibles speech
US President Woodrow Wilson makes "Four Principles" speech to Congress -
Peace Conference
Peace conference accepts principle of a League of Nations