As you might imagine, the Austro-Turkish Wars took place between what are now Austria and Turkey. This being between the 16th and 18th centuries, however, the official belligerents were the Habsburg monarchy and the Ottoman Empire. Perhaps the most (in)famous skirmish of that conflict didn’t involve both sides, though. What’s been called “history’s worst friendly fire incident” was officially known as the Battle of Karánsebes and took place in present-day Romania on the night of Se...