When was the Emperor of Austria and King of Hungary died who proclaimed December Constitution?
Franz Joseph I of Austria Franz Joseph I or Francis Joseph I (German: "Franz Josef I." , Hungarian: "I. Ferenc József" , , Romanian: "Francisc Iosif" , Slovene: "Franc Jožef I." , Italian: "Francesco Giuseppe" , Croatian: "Franjo Josip I." ) (18 August 1830 – 21 November 1916) was Emperor of Austria and King of Hungary, King of Bohemia and many others (see grand title of the Emperor of Austria) from 2 December 1848 until his death on 21 November 1916. 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.
Franz Anton von Kolowrat-Liebsteinsky Count Franz Anton von Kolowrat-Liebsteinsky (] ; Czech: "František Antonín Kolovrat-Libštejnský" ; 31 January 1778 – 4 April 1861) was Bohemian noble and Austrian statesman from the House of Kolowrat. As a moderate liberal politician, he was one of the major opponents of State Chancellor Prince Klemens von Metternich during the "Vormärz" era. In the March Revolution of 1848, Kolowrat became the first constitutional Minister-President of Austria, however, he resigned after one month in office.