Who was assassinated in sarajevo that started the great war

Archduke Franz Ferdinand Wife

Explanation:

in the Chaos of  the Attack the police arrest, a teenaged Serbian nationalist named: Gabrielle el Principe and a Member of  the notorious group the black hand, the black hand, had plotted to assassinate the Archduke on his trip to Sarajevo Princip was at the right the right place, at the right, and Cause His Wife to Die in his Arms, with his Wife died , The Archduke Cries it is nothing, it is nothing, when he aides rushed to attend him ,and help with his Wounds, and shortly after he dies, and this assassination's led in the most Pitbull moments in world history.