Jean-Baptiste d'Autriche
After the March Revolution of 1848, the Federal Assembly of the German Confederation was challenged by the newly formed National Assembly, which began its sittings in Frankfurt on 18 May 1848. On 28 June, the National Assembly decided to create a provisional government for all of Germany prior to the creation of a Constitution. On 29 June, they elected Archduke John of Austria to be the Regent of the Provisional Central Power.