Can you imagine a world in which a dog caused the outbreak of a war? This may seem unlikely, but it did happen in the 1925 War of the Stray Dog between Bulgaria and Greece.  Before we get to how a dog started a war, let’s go back to Bulgaria and Greece’s complex, intertwined history of conflict. After both countries had fought for their independence from the Ottoman Empire in the early 1900s, they joined together with two other nations, Montenegro and Serbia, to form the Balkan League. These nations had all gained their independence from the Ottoman Empire, but because large numbers of their populations remained under Ottoman rule,…