Marie Antoinette May 1774, the Dauphin ascended the throne as King Louis XVI of France and Navarre with Marie Antoinette as his Queen. At the outset, the new queen had limited political influence with her husband, who, with the support of his two most important ministers, Chief Minister Maurepas and Foreign Minister Vergennes, blocked several of her candidates from assuming important positions, including Choiseul. The queen did play a decisive role in the disgrace and exile of the most powerful of Louis XV's ministers, the Duke of Aiguillon. On 24 May 1774, two weeks after the death of Louis XV, the king
Marie Antoinette main grievances and causes of the French Revolution. Marie Antoinette's second pregnancy ended in a miscarriage early in July 1779, as confirmed by letters between the queen and her mother, although some historians believed that she may have experienced bleeding related to an irregular menstrual cycle, which she mistook for a lost pregnancy. Her third pregnancy was affirmed in March 1781, and on 22 October she gave birth to Louis Joseph Xavier François, Dauphin of France. Empress Maria Theresa died on 29 November 1780 in Vienna. Marie Antoinette feared that the death of her mother would jeopardise the Franco-Austrian alliance