Assassination of Archduke Franz Ferdinand

Archduke Franz Ferdinand of Austria, heir presumptive to the Austro-Hungarian throne, and his wife, Sophie, Duchess of Hohenberg, were assassinated by Bosnian Serb student Gavrilo Princip in Sarajevo on 28 June 1914. They were shot at close range while being driven through the provincial capital of Bosnia and Herzegovina, formally annexed by Austria-Hungary in 1908.

Source: Wikipedia — Assassination of Archduke Franz Ferdinand (CC BY-SA 4.0)