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assassination of Austrias Archduke Francis Ferdinand
On 28 June 1914, Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were shot dead in Sarajevo by Gavrilo Princip, one of a group of six assassins. -
Austrias Ultimatum to Serbia
nearly one month after the assassination of Austrian Archduke Franz Ferdinand and his wife by a young Serbian nationalist in Sarajevo, Bosnia, Baron Giesl von Gieslingen, ambassador of the Austro-Hungarian Empire to Serbia, delivers an ultimatum to the Serbian foreign ministry. -
Austria declares war to Serbia
after Serbia rejection of Austrias ultimatum Austria decide to declare war on Serbia -
Russia mobilizes
Russia mobilizes their troops for war -
Germany ultimatum to Russia
on 31 July, Germany sent an ultimatum to the Russians demanding that they stop all mobilization activities or face war. -
Germany declares war on Russia
Germany declares war on Russia becoue the troops of Russia were on the frontiers of Germany and Russia ignore what Germany was saing -
Germany declares war on France
two days after declaring war on Russia, Germany declares war on France, moving ahead with a long-held strategy, conceived by the former chief of staff of the German army, Alfred von Schlieffen, for a two-front war against France and Russia. -
German troops invade Belgium
On 2 August 1914 Germany issued an ultimatum to neutral Belgium requesting permission to march through the country en route to Paris. Unsurprisingly Belgium, under King Albert I, refused Germany's demands; in consequence German troops invaded Belgium -
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, led by Prime Minister Herbert Asquith, had given Germany an ultimatum to get out of Belgium by midnight of August 3rd.
