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 one of the most significant being the title of Grand Master of France, a title until then held by the son of the Constable, François de Montmorency. The reign of Francis II was dominated by religious crisis. His unpopular and repressive policy toward Protestantism motivated the Amboise conspiracy, in which certain Protestant leaders attempted a coup d'état against the king and the House of Guise. Due to growing discontent, the government tried conciliation. Under the influence of Catherine de' Medici, it started a dialogue with the proponents of this relatively new movement, while remaining implacable towards agitators. Until the end