Princip, Gavrilo(gäv`rēlō prēn`tsēp), 1895–1918, Serbian political agitator, b. Bosnia. As a high-school student and a member of the Serbian nationalist secret society Union or Death (known as the Black Hand), he assassinated Archduke Francis FerdinandFrancis Ferdinand,
1863–1914, Austrian archduke, heir apparent (after 1889) of his uncle, Emperor Francis Joseph. In 1900 he married a Czech, Sophie Chotek. She was made duchess of Hohenberg, but because she was of minor nobility their children were barred from succession.
..... Click the link for more information. and his wife at Sarajevo in 1914. His act precipitated World War I. Princip died of tuberculosis in an Austrian prison. He remains a Serbian hero.