Franz Ferdinand was assassinated at Sarajevo, capital city of Bosnia and Herzegovina.
Franz Ferdinand of Austria was the heir presumptive to the throne of Austria-Hungary. As at that time, Austria and Hungary were one nation.
The assassination of Franz Ferdinand was one of the immediate cause of WW1. The presumptive heir to the throne of Austria was killed together with his wife Sophie by a Serbian nationalist in Sarajevo, the capital of Bosnia. The war lasted until 1918.
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