Franz Ferdinand's assassination on June 28, 1914, at the hand of a Serbian terrorist group the "Black Hand," led to the beginning of World War I.
Gavrilo Princip, South Slav nationalist who assassinated Archduke Franz Ferdinand, heir to the Austro-Hungarian throne, and his consort, Sophie, Duchess von Hohenberg, at Sarajevo, Bosnia, on June 28, 1914, giving Austria-Hungary an excuse to open hostil