Greater Serbia the Kingdom of Serbia retreated from Durrës in April 1913 under pressure of the naval fleet of Great Powers, but it remained in other parts of Albania for the next two months. The secret military society called Unity or Death, popularly known as the Black Hand, headed by Serbian colonel Dragutin Dimitrijević Apis, which took an active and militant stance on the issue of a Greater Serbian state. This organization is believed to have been responsible for numerous atrocities following the Balkan Wars in 1913. In 1914, Young Bosnia member Gavrilo Princip assassinated Archduke Franz Ferdinand in Sarajevo, which set
Milena Mrazović and articles for European newspapers, covering important events such as the Annexation Crisis, the assassination of Archduke Franz Ferdinand, and the trial of Gavrilo Princip. Mrazović was keenly interested in ethnography. She was one of the founders of the National Museum of Bosnia-Herzegovina in 1888 and its regular benefactor. In 1889, Mrazović became the first woman to be accepted into the Anthropological Society in Vienna. In February 1896, at the invitation of the Ethnographic Society, she gave the first lecture about Bosnia-Herzegovina in Vienna. As a travel writer, Mrazović presented Bosnia-Herzegovina to the German-speaking world. Accompanied by the painter Augusta