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archduke francis ferdinand assassinated
the archduke visited the bosnian capital sarajevo. as the royal entourage drove through the city somebody stepped from the crowd shooting and killing him and his wife -
Austria hungary declares war on serbia
they declared war after there king was shot and killed along with his wife in the serbian streets -
germany declares war on russia
germany obligatede ny treaty to support austria hungary, they declared war on france -
germany invades belguium
germany invaded belgium thinking they could get through quick while on there way to paris -
germany declares war on france
declared war on them because of russian allies -
german u boat sinks the lusitania
germany thought this boat had carried ammunition -
the zimmerman note is discovered
a telegram from the german foreign minister to the german ambassador in mexico that was intercepted by british agents -
germany announce unrestricted submarine warfare
germany started using u boats which are submarines -
the russian monarchy is overthrown
it was replaced with a representation government -
the united states declares war on germany
the germans ignored wilsons call for peace. the germans started atacking all ships in a british habor they thought america would then go to war