1792 Imperial election 21 at Varennes-en-Argonne. On August 27, Leopold and Frederick William II of Prussia, king of Prussia, issued the Declaration of Pillnitz, calling for the release of Louis and Marie Antoinette and promising that, if his safety was threatened, and with the support of the other monarchs of Europe, they would go to war to restore him. The National Assembly interpreted the declaration as a declaration of war against the revolutionary government. On April 20, 1792, it declared war on Leopold's son Francis II, Holy Roman Emperor, his successor as king of Hungary, king of Croatia and king of Bohemia. The
Francis II of the Two Sicilies Francis II of the Two Sicilies Francis II (, christened "Francesco d'Assisi Maria Leopoldo"; 16 January 1836 – 27 December 1894) was King of the Two Sicilies from 1859 to 1861. He was the last King of the Two Sicilies, as successive invasions by Giuseppe Garibaldi and Victor Emmanuel II of Sardinia ultimately brought an end to his rule, as part of Italian unification. After he was deposed, the Kingdom of the Two Sicilies and the Kingdom of Sardinia were merged into the newly formed Kingdom of Italy. The only son and heir of Ferdinand II of the Two Sicilies