Serbian Campaign of World War I Serbia, Montenegro, and Greece. When Bulgaria attacked both Serbia and Greece on 16 June 1913, it lost most of its Macedonian region to those countries, and additionally the Southern Dobruja region to Romania and Adrianople (the present-day city of Edirne) to Turkey in the 33-day Second Balkan War, which further destabilized the region. On 28 June 1914, Gavrilo Princip, a Bosnian Serb student and member of a multi-ethnic organisation of national revolutionaries called Young Bosnia, assassinated Archduke Franz Ferdinand of Austria, the heir to the Austro-Hungarian throne, in Sarajevo, Bosnia. The political objective of the assassination was the independence of
Archduchess Marie Anne of Austria of Parma, Ferdinand I of Austria, Archduchess Marie Caroline, Archduchess Caroline Ludovika of Austria, Archduke Johann Nepomuk of Austria, Archduchess Amalie Theresa of Austria, and Archduke Franz Karl of Austria. Her parents, Francis II, Holy Roman Emperor and Maria Theresa of Naples and Sicily, and her great-grandmother, Maria Theresa of Austria, are also buried there. Archduchess Marie Anne of Austria Marie Anne of Austria ("Maria Anna Franziska Theresia Josepha Medarde"; 8 June 1804 – 28 December 1858) was an Archduchess of Austria and the daughter of Franz II, Holy Roman Emperor and his second wife, Maria Theresa of Naples and