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 France on the rise; however, this has not been proven. Francis II died childless, so his younger brother Charles, then ten years old, succeeded him. On 21 December, the council named Catherine de Médici as Regent of France. The Guises left the court, while Mary Stuart, Francis II's widow, returned to Scotland. Louis, Prince of Condé, who was jailed and awaiting execution, was freed after some negotiations with Catherine de Médici. On 23 December 1560, the body of Francis II was interred in the Saint-Denis by the Prince of La Roche-sur-Yon. Francis II had a brief reign. He became king as