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  Archduke Franz Ferdinand, the heir to the Austro-hungarian throne, and his wife were assassinated in Sarajevo, Bosnia and Herzegovina by Gavrilo Princip
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  The Gerrman Army invades the neutral country of Belgium in order to get to France.
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  Gallipoli was one of the Allies great disasters in World War One. Gallipoli was the plan thought up by Winston Churchill to end the war early by creating a new war front that the Central Powers could not deal with.
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  The German U-Boats sink the British liner Lusitania off of the coast of Ireland, 1924 people died and out of that 114 were Americans.
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  The third battle of Warsaw of 5 August 1915 saw the Germans occupy Warsaw during the period of success that followed their great breakthrough victory at Gorlice-Tarnow.
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  The Battle of Verdun in 1916 was the longest single battle of World War One.
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  The United States of America declared war on Germany in response to the sinking, by German U boats, of US ships.
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  The allies had taken almost all of German-occupied France and part of Belgium.
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  By the beginning of November the allies had pushed the Germans back passed the Hindenberg line
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  At 11 am, in the French town of Redonthes, the Armistice was signed bringing the war to an end.