28th July 1914 - Austria-Hungary 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.
The following telegram sent by Count Leopold von Berchtold (Austro-Hungarian Foreign Minister) at 11.10 am to M. N. Pashitch (Serbian Prime Minister and Foreign Minister), who received it at 12.30 pm
28 July 1914
The Royal Serbian Government not having answered in a satisfactory manner the note of July 23, 1914, presented by the Austro-Hungarian Minister at Belgrade, the Imperial and Royal Government are themselves compelled to see to the safeguarding of their rights and interests, and, with this object, to have recourse to force of arms.
Austria-Hungary consequently considers herself henceforward in state of war with Serbia.
100 years ago today, the worst war of modern history began.