When Gavrilo Princip assassinated Archduke Franz Ferdinand, the heir to the Austro-Hungarian throne, on June 28, 1914, few could have known it would reverberate for four years of brutal war ...

heir apparent to the Austro-Hungarian throne. With nationalist elements threatening to pull its empire apart, Austria-Hungary struck back at Serbia, who then called on its ally Russia for aid.

Tensions rise across Europe. Franz Ferdinand, heir to the Austro-Hungarian throne, is shot dead in Sarajevo, capital of the Austrian province Bosnia. Franz Ferdinand’s killer, Gavrilo Princip ...