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Assassination of Archduke Ferdinand and his wife
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Period: to
WWI
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Russia, Germany, and Austria-Hungary Declare War
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Period: to
1st Battle of the Marne
The battle was the culmination of the German advance into France and pursuit of the Allied armies which followed the Battle of the Frontiers in August, which had reached the eastern outskirts of Paris -
Christmas Truce
The Christmas truce was a series of widespread but unofficial ceasefires along the Western Front around Christmas 1914. -
The sinking of the Lusitania
A German U-boat torpedoed and sank the RMS Lusitania, a British ocean liner en route from New York to Liverpool, England. -
Period: to
Battle of the Somme
Was a battle of the First World War fought by the armies of the British and French empires against the German Empire. -
Wilson Re-elected
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Zimmerman Note
secret telegram sent on Jan. 16, 1917, by German foreign secretary Arthur Zimmermann to Count Johann von Bernstorff, the German ambassador to the United States. In it Zimmermann said that in the event of war with the United States, Mexico should be asked to enter the war as a German ally. -
US declares war on Germany
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US Selective Service Act
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Wilson declares 14 points
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End of War
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Treay of Versailles Signed