Gavrilo Princip, Bosnian Serb revolutionary and assassin of Archduke Franz Ferdinand and his wife (died 1918)

Gavrilo Princip was a Bosnian Serb student who assassinated Archduke Franz Ferdinand, heir presumptive to the throne of Austria-Hungary, and his wife Sophie, Duchess von Hohenberg, in Sarajevo on 28 June 1914. The assassination set off the July Crisis, a series of events that within one month led to the outbreak of World War I.

Archduke Franz Ferdinand Carl Ludwig Joseph Maria of Austria was the heir presumptive to the throne of Austria-Hungary. His assassination in Sarajevo was the most immediate cause of World War I.