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Assassination of Archduke Ferdinand
The Blank Hand, a Serbian terrorists group, succeeded in assassinating the Archduke and his wife. -
Austria-Hungary declares war
Austria-Hungary declares war on Serbia -
Period: to
The world is drawn into war!
Bound by treaties European countries start "defending" each other.
Russia joins Serbia. Germany joins Austria-Hungary. France joins Russia. Britain joins France. British colonies join Great Britain. Japan declares war on Germany in defense of Britain. -
Turkey enters the war
Turkey enters the war on the side of Germany. -
Lusitania is sunk
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Italy joins the Allies
Italy goes against their treaty with Austria-Hungary to join the Allies -
United States joins World War I
