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  Franz Ferdinand was shot by Gavrilo Princip
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  Austria-Hungary declares war on Serbia, exactly one month after Ferdinand was assassinated.
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  Serbia was invaded by Austria-Hungary.
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  World War I weakened the exercise of Constitutional Government
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  The rape of Belgium was when they refused to give up their land to Germany.
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  Frnce was one of the Triple Entente powers allied against the Central Powers.
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  Russia first entered World War I with the largest army in the world with 1,400,000 soldiers, then expanded to 5,000,000.
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  During World War I, Germany was one of the Central Powers that lost the war.
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  Enver Pasher signed a secret treaty with the German Ambassador.
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  Italy is usually allied with the Central Powers of the German Empire and Austria-Hungary, but they refused to join them when the war started.
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  Fought World War I on the Central Powers side.
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  Portugal stayed neutral during World War I.
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  Romania and Russia allied against the armies of the Central Powers
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  Greece reamined neutral as well during World War I.