Archduke Franz Ferdinand of Austria Ferdinand and his wife with a lying in state aboard SMS "Viribus Unitis". On Sunday, 28 June 1914, at about 10:45 am, Franz Ferdinand and his wife were assassinated in Sarajevo, the capital of the Austro-Hungarian province of Bosnia and Herzegovina. The perpetrator was 19-year-old Gavrilo Princip, a member of Young Bosnia and one of a group of assassins organized and armed by the Black Hand. Earlier in the day, the couple had been attacked by Nedeljko Čabrinović, who had thrown a grenade at their car. However, the bomb detonated behind them, injuring the occupants in the following car. On
Serbia to become an anchor for unification of all South Slavs, and the relationship between the two countries became tense. The assassination of Archduke Franz Ferdinand of Austria on 28 June 1914 in Sarajevo by Gavrilo Princip, a member of the Young Bosnia organization, led to Austria-Hungary declaring war on Serbia. In defense of Serbia, and to maintain her status as a Great Power, Russia mobilized its troops, which resulted in Austria-Hungary's ally Germany declaring war on Russia. Serbia won the first major battles of World War I, including the Battle of Cer and Battle of Kolubara – marking the first