FrancisJoseph I

Francis Jo·seph I (jōʹzəf, -səf, yōʹzĕf) also Franz Jo·sef I (frănz jōʹzəf, -səf, frănts, fränts yōʹzĕf), 1830-1916.

Emperor of Austria (1848-1916) and king of Hungary (1867-1916) who divided (1867) his empire into a dual monarchy, Austria-Hungary. His ultimatum to Serbia after the 1914 assassination of his nephew Francis Ferdinand led to World War I.

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