World War I (28 jul 1914 año – 11 nov 1918 año)

Descripción:

Global war originating in Europe, constant stalemates and high casualty rate due to new technologies and trench warfare. Trigger was the assassination of Archduke Franz Ferdinand of Austria by Yugoslav nationalist Gavrilo Princip in Sarajevo.
-Allied Powers: France, Britain, Russia, United States, Serbia, Belgium, Montenegro, Japan, Italy, Romania, Portugal, Greece, and others,
-Central Powers: German Empire, Austria-Hungary, Ottoman Empire, Bulgaria, and others

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