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archduke franz ferdinand and his consort, sophie, were assassinated by Gavrilo Princip in Sarajevo, Bosnia
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exactly 1 month after archduke Franz Ferdinand and his wife were assassinated, Austria-Hungary declares war on Serbia. effectively starting World War 1
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britian declares war on germany and the United States declares its neutrality
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1 year after the start of World War 1 a German U-boat torpedoed and sank the RMS Lusitania
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the allied offensive to recapture drench territory from germans on the western front ended in failure
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the british intercept a telegrams sent by alfred zimmermann in the german foreign office to the german embassies in washington D.C and Mexico City. seven more U.S ships are sunk in febuary and march
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the U.S formally declared war against Germany and entered the conflict in Europe
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russian troops begin the kerensky offensive attempting to recapture the city of lemberg on the eastern front
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the allied powers signes a ceasefire with germany at compiegne
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five years later, on june 28, 1919, germany and the allies signed the treaty of versailles, formally ending World War 1
