Archduke Franz Ferdinand of Austria and the Sophie, Duchess of Hohenberg, 1914, (1926).

Archduke Franz Ferdinand of Austria and Sophie, Duchess of Hohenberg, 1914. The Archduke Franz Ferdinand (1863-1914), heir to the Austrian throne, and the Archduchess Sophie were assassinated in Sarajevo on 1914 by a Serbian nationalist, Gavrilo Princip. The assassination set Europe firmly on the road to the First World War. (Photo by The Print Collector/Print Collector/Getty Images)