"Franz Josef I." YourDictionary, n.d. Web. 20 January 2019. <https://www.yourdictionary.com/franz-josef-i>.
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Franz Josef I
also Francis Joseph I 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 Franz Ferdinand led to World War I.