There was also a so-called pig war in the Balkans about 1910, also bloodless--this one even for the pigs. The Austro-Hungarian Empire refused to allow the impor

There was also a so-called pig war in the Balkans about 1910, also bloodless--this one even for the pigs. The Austro-Hungarian Empire refused to allow the import of pigs from Serbia, which was I guess a large share of Serbia's export trade. This it intended to bring Serbia to a right way of thinking. The embargo only increased Serbia's resentment of the empire.