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June 1914, the Assassination of archduke Franz Ferdinand

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June 1914, the Assassination of archduke Franz Ferdinand

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The arch duke of Austria Hungary is assassinated.

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July 1914, Austro-Hungarian Government declares war

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July 1914, Austro-Hungarian Government declares war

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Following the death of Franz Ferdinand Austria declares war on Serbia.

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The battles of ypres introduced the use of poison gas and trench warfare during the war.

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Germany sinks the HMS Lusitania killing 123 Americans.

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The battle of the somme is considered the bloodiest battle of WW1, causing over 1000000 casualties and 300000 fatalities.

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The Zimmerman telegram was a note sent from Germany to ask Mexico to invade the united states, but the U.S. intercepted the message.

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Due to Germany's aggressions against America, they decided to join the war against the axis powers.

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The battle of Passchendaele highlighted the disregard for human life the war promoted leading to citizens disapproving of the continuation of the war.

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Battle of Mons, (November 11, 1918), engagement fought on the last day of World War I, in which Canadian forces captured the Belgian town of Mons, liberating an area that had been under German occupation since 1914.

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The Treaty of Versailles was signed by Germany and the Allied Nations on June 28, 1919, formally ending World War One. The terms of the treaty required that Germany pay financial reparations, disarm, lose territory, and give up all of its overseas colonies.