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A teenage Serbian nationalist gunned down Archduke Franz Ferdinand and his wife, Sophie, as their motorcade maneuvered through the streets of Sarajevo.
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In 1914, when war did erupt, Germany and Austria-Hungary fought on the same side. They became known as the Central Powers. On June 28, 1914, Gavrilo Princip, a member of a Serbian terrorist group, killed Austrian Archduke Francis Ferdinand and his wife Sophie.
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proclaimed that the North Sea was a war zone
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The sinking of the Cunard ocean liner RMS Lusitania occurred on Friday, 7 May 1915 during the First World War.
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The Battle of the Somme, also known as the Somme Offensive, was a battle of the First World War fought by the armies of the British and French empires against the German Empire
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The United States presidential election of 1916 was the 33rd quadrennial presidential election
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Zimmermann instructed the ambassador, Count Johann von Bernstorff, to offer significant financial aid to Mexico if it agreed to enter any future U.S-German conflict as a German ally.
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President Woodrow Wilson went before a joint session of Congress to request a declaration of war against Germany.
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Authorized the federal government to raise a national army for the American entry into World War I through the compulsory enlistment of people.
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involved organizing ships into large groups under the protection of armed naval vessels to provide better defense and countermeasures against German U-boat attacks.
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prohibited many forms of speech, including "any disloyal, profane, scurrilous, or abusive language about the form of government of the United States ... or the flag of the United States.
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The 1918 flu pandemic was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus.
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The 1918 flu pandemic was an unusually deadly influenza pandemic, the first of the two pandemics involving H1N1 influenza virus.
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President Wilson set down 14 points as a blueprint for world peace that was to be used for peace negotiations after World War I.
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Communists wanted to focus on internal rather then external problems.
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An Act of the United States Congress that extended the Espionage Act of 1917 to cover a broader range of offenses.
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The agreement that ended the fighting on the Western Front.
