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Archduke Ferdinand
Archduke Ferdinand is assassinated -
Austria-Hungary
Austria-Hungary declares war on Serbia -
Ottoman Empire
Ottoman Empire declares war on the Allies -
Germany Declares war
Germany declares war on France and Russia -
The First battle
Allies defeat the Germans at the First Battle -
Lusitania
Attack on the Lusitania -
Zimmerman Telegram
British intercept Zimmerman telegram -
United States
United States enters the war -
Russia
The Russians leave the War -
President Wilson
President Wilson issues his "Fourteen Points" -
Armistice
Germany agrees to an armistice and fighting ends -
Treaty of Versailles
Treaty of Versailles is signed ending world war 1