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The assasination of Archduke Francis Ferdinand of Austria
On June 1914, the heir to the Austrian throne, Archduke Francis Ferdinand, was assasinated in the Bosnian city of Sarajevo. -
Austria´s ultimatum to Serbia
The assasination of Archduke Francis Ferdinand led to an ultimatum to the Serbian Kingdom, that eventually led to WWI -
Austria declares war on Serbia
On July 28, 1914, one month to the day after Archduke Franz Ferdinand of Austria and his wife were killed by a Serbian nationalist in Sarajevo, Austria-Hungary declares war on Serbia, effectively beginning the First World War. -
Russia mobilizes
One of the main causes of World War I was the mobilization of Russia. After facing defeat in the Franco Prussian War, Russia did not want to seem vulnerable to the other European countries. -
German ultimatum to Russia
The Russian goverment ordered full mobilization of the Russian army on july 29, knowing that the Germans would consider this act of war against them. Germany responded to the Russian mobilization with its own ultimatum that the Russians must halt their mobilization within 12 hours. -
Germany declares War on Russia
The Russians ignored the ultimatum of Germany and started ther mobilization once more. Germany had no choice that declare war on Russia on August 1 1914. -
Germany declares war on France
Germany declares war on France. Belgium denies permission for German forces to pass through to the French border. -
German troops invade Belgium
The German Army quickly overwhelmed Belgian defences and King Albert was forced to move his government to Le Havre in France. -
Great Britian declares war on Germany
On August 4th 1914, Great Britain declared war on Germany. It was a decision that is seen as the start of World War One. Britain,
