1871 January 18 - A German U-boat sinks the Lusitania killing 1,198 civilians, including 128 Americans.

By logan levitt
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    june 6, 1895 – November 11, 1918 - Emperor Karl of Austria abdicates.

  • 28 June 1914 - Archduke Franz Ferdinand, heir to the throne of Austro-Hungarian Empire, and his wife are assassinated.

  • july 23, 1914 - Emperor Franz Joseph of Austria-Hungary declares war on Serbia.

  • 4 August 1914 - Germany declares war on neutral Belgium and invades Belgium and Luxembourg as part of the Schlieffen Plan. As a result, Britain declares war on Germany.

  • April 14 1915 - German invasion of France is halted at the First Battle of Marne.

  • April 24, 1915 - Armenian Genocide begin

  • May 7, 1915 - Allies begin a nine-month battle for the Turkish peninsula of Gallipoli.

  • 5 August 1915 - British nurse, Edith Cavell, is executed by the Germans.

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    February21 - december 18 1916 - Austria-Hungary declares war on Russia.

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    February 21, 1916 – December 18, 1916 - The Battle of Verdun is fought resulting in an estimated one million casualties.

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    Feb 21 - dec 18 1916 - The German army defeats Russia at the Battle of Tannenberg.