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  Archduke Franz Ferdinand and his wife Sophie gets assassinated by Garvilo Princip
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  Kaiser Willhelm II gives Germanys support for whatever action Austria-Hungary chooses to take in its conflict with Serbia
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  Austria blamed Serbia for the death of Archduke Franz Ferdinand because the assassins were members of the Black Hand, a terrorist organization based in Serbia and tolerated by the Serbian government. It received money from the Serbian secret service.
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  Austria declared war on Serbia and shelled its captial, Belgrade.
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  The Russian army got ready to help Servia defend itself against the Austrian attack. However, Germany warned Russia not to help Serbia.
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  Germany declared war on Russia. It also began to move its army towards France and Belgium
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  The French Army was put on a war footing ready to fight any German invasion.
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  Germany Declared War On France and invaded Belgium. Britain ordered Germany to withdraw from Belgium.
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  With the Germans still in Belgium, Britain declared war on Germany.
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  Austria Declared war on Russia.