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  Jumper 14th 1914, The Heir to the Austro Hungarian Throne Franz Ferdinand and wife Sophie were murdered by Gavrillo princep.
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  When Franz Ferdinand and his wife were killed by a Serbian nationalist. Austria declared war on Serbia beginning the First World War.
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  German troops overran Belgium,The Netherlands, Luxembourg and the France. They signed an armistice in late June 1940 as the only country fighting the nazi Germany.
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  The Schlieffen plan was the operational plan for a attack on the France once in Russia. The plan lead up to Britain declaring war on the germans
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  The Triple entente were Great Britain,France, and Russia. The allies were Great Britain France Russia and Italy.
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  They declared war on Serbia but they knew that the Russians were a huger risk so they fought the Russians first
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  The French army and the British force against the Germans who had invaded Belgium and the northeasterns.
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  After the USA Declares war it was declared war against the United Staes.
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  Italy declared war on its former axis partner. They then joined Germany and the battle of the allies.