１９１４年６月２８日奥地利皇太子弗朗茨·费迪南大公到波斯尼亚指挥奥匈帝国的军事演习，被塞尔维亚爱国青年炸死于萨拉热窝，从而引发了第一次世界大战。第一次世界大战是以德、奥、意组成的同盟国和以英、法、俄组成的协约国之间进行的一场帝国主义国家重新瓜分世界、争夺? On June 28, 1914, Grand Duchy of Austria Prince Franz Ferdinand to Bosnia directed the Austro-Hungarian military exercises, which were caused by Serbian patriotic youth in Sarajevo, which led to the First World War. The First World War was an imperialist country that was divided between the allied countries consisting of Germany, Austria and Italy and the allies that came from Britain, France and Russia to regroup the world and compete?