Austro-Hungary announces the annexation of Bosnia-Herzegovina.
Archduke Franz Ferdinand of Austria shot by a Serbian.
Britain had in 1839 promised to defend Belgian neutrality, and when that was not upheld, they entered the war on 4 August 1914.
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The Treaty permits Austria to get Bosnia.
Germany, Italy and Austria-Hungary forms alliance.
This agreement settled territorial differences in Persia, Afghanistan and Tibet. It was not a military move, but viewed upon as provocative by Germany.