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Allies defeat
Allies defeat the Germans at the first battle. -
President Wilson
President Wilson issues his"Fourteen Points" -
Germany declares war
Germany declares war on France and Russia. -
Ottoman Empire
Ottoman Empire declares war on the Allies. -
Archduke Ferdinand
Archduke Ferdinand is assassinated. -
Austria-Hungary
Austria-Hungary declares war on Serbia. -
Attack
Attack on Lusitania -
British intercept
British intercept Zimmerman Telegram -
United States enters the war.
United states enters the war. -
Russia leaves
Russia leaves the war. -
Germany agrees
Germany agrees to an armistice and fighting ends. -
Treaty of Versailles
Treaty of Versailles is signed ending World War 1.