28th June, 1914:Serb student, Gavrilo Princip, shoots Austrian Archduke Franz Ferdinand and his wife.
28th July, 1914:Austria-Hungary declares war on Serbia.
29th July, 1914:Due to its alliance, Russia mobilizes troops to defend Serbia.
1st of August, 1914:Germany declares war on Russia.
2nd of August, 1914:France declares war on Germany to help Russia.
3rd August, 1914:Germany declares war on France.
4th August, 1914:Germany invades neutral Belgium on its way to France. Great Britain declares war on Germany.
6th August, 1914:Austria-Hungary declares war on Germany.
7th August, 1914:Lord Kitchener calls for 100,000 men to join the British army to defend France and Belgium.