Marie Antoinette French territories on European soil. That summer, the situation was compounded by multiple defeats of the French armies by the Austrians, in part because Marie Antoinette passed on military secrets to them. In addition, at the insistence of his wife, Louis XVI vetoed several measures that would have further restricted his power, earning the royal couple the nicknames "Monsieur Veto" and "Madame Veto", nicknames then prominently featured in different contexts, including La Carmagnole. Barnave remained the most important advisor and supporter of the queen, who was willing to work with him as long as he met her demands, which he
Marie Antoinette the "La Force" prison, after a rapid judgment, Marie Louise de Lamballe was savagely killed on 3 September. Her head was affixed on a pike and paraded through the city to the Temple for the queen to see. Marie Antoinette was prevented from seeing it, but fainted upon learning of it. On 21 September 1792, the fall of the monarchy was officially declared and the National Convention became the governing body of the French Republic. The royal family name was downgraded to the non-royal "Capets". Preparations began for the trial of the king in a court of law. Charged with