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
History of assassination 1912 presidential campaign. During the Lincoln Assassination, there were also attacks planned against current Vice-president Andrew Johnson and Secretary William H. Seward, but Johnson's did not go through, and Seward survived the attack. An assassination plot against Jefferson Davis, known as the Dahlgren Affair, may have been initiated during the American Civil War. In Europe the assassination of Archduke Franz Ferdinand by Gavrilo Princip, one of several Serb nationalist insurgents, triggered World War I. Archduke Franz Ferdinand was visiting Bosnia-Herzegovina, since it was newly annexed to the Austro-Hungarian Empire. He had a route through the city streets of Sarajevo, Bosnia,