Franz Joseph I of Austria
Franz Joseph I or Francis Joseph I (Franz Joseph Karl; 18 August 1830 – 21 November 1916) was Emperor of Austria, King of Hungary, and monarch of many other states of the Austro-Hungarian Empire, from 2 December 1848 to his death. From 1 May 1850 to 24 August 1866 he was also President of the German Confederation. He was the longest-reigning Emperor of Austria and King of Hungary, as well as the third-longest-reigning monarch of any country in European history, after Louis XIV of France and Johann II of Liechtenstein.
Records of Prime Ministers of Hungary
The shortest ever period was only 17 hours, a record held by Count János Hadik, from 30 October to 31 October 1918, who was asked to form a government by King Charles IV but the Aster Revolution broke out led by leftist liberal Count Mihály Károlyi, who founded the Hungarian Democratic Republic. By the end of the day, King Charles IV had accepted the coup and appointed Károlyi as Hungary's new Prime Minister. Hadik had no time to form a government, so many historians believe he was just a designated premier.