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Archduke assassinated
Archduke Franz Ferdinand is assassinated in Sarajevo -
Period: to
World War 1
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German troops enter Belgium
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Big Bertha used
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Turkey joins Central Powers
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Christmas Truce
Many soldiers decided to not fight war on the day of Christmas and there was a lot of repercussion for this. -
Germans Introduce Gas Warfare
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U.S. Declares war on Germany
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Greece declares war on central powers
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Armistice
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Treaty of Versailles signed