Overview: Sarajevo, 1914 A group of Serbian nationalists were determined to kill the heir to the Austro-Hungarian throne. Two of the assassins had bombs and one, a student named Gavril Princep, had a pistol. When the bombs failed, the Archduke''s car took another route and almost stopped outside the cafι where Princep was sitting. Within seconds, the Archduke and his wife were mortally wounded. The events of that day on Sunday 28th June led to the outbreak of World War I.