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Archduke Franz Ferdinand of Austria was assassinated by Gavrilo Princip
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Austria declared war on Serbia
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Germany declared war on Russia
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Germany declared war on France
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British declaration of war against Germany
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British troops land in France.
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Germany defeats the Russians in the first battle.
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Japan declares war on Germany.
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British had lost the worst sea battle in centuries.
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German Ships surround the British Isles.
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Germans start using toxic gas for inhuman purposes.
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Secret treaty between neutral Italy and the Allied forces of France, Britain, and Russia to bring Italy into World War I.
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Germans sank the RMS Lusitania
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The Battle of Somme was started
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HMHS Britannic sank after hitting a mine in the Aegean Sea.
