Shot heard round the world The phrase "shot heard round the world" (alternatively "shots heard round the world" or "shot heard around the world") has also become associated with the assassination of Archduke Franz Ferdinand of Austria in Sarajevo on 28 June 1914, an event considered to be one of the immediate causes of World War I. Serbian Gavrilo Princip fired two shots, the first hitting Franz Ferdinand's wife Sophie, Duchess of Hohenberg, and the second hitting the Archduke himself. The death of Franz Ferdinand, heir to the Austro-Hungarian throne, propelled Austria-Hungary and the rest of Europe into World War I. The phrase "Shot heard
Austria–Serbia relations of Serbian revolts during the 1848 Revolutions were not opposed by the Habsburg rulers. Serbian claims were not recognized by Hungary was eventually placated with the Austro-Hungarian Compromise of 1867, further angering Serbian nationalists. One notable flare-up between the two countries was the 1906-1909 economic conflict known as the Pig War which occurred simultaneously with the diplomatic and military crisis over the Austrian annexation of Bosnia. Ultimately, the tensions between the two countries could not withstand the strain of Assassination of Archduke Franz Ferdinand of Austria by Bosnian Serbs in 1914. Following the July Crisis, Austria invaded Serbia to punish