The Directory appointed him ambassador at Vienna. The choice was not happy; he had not the breeding of a gentleman, and behaved with insolence in the most punctilious of courts. On the day upon which the volunteers were enrolled for the defence of their country, Bernadotte ostentatiously hoisted the tricolour, which the mob tore down. The ambassador in vain demanded satisfaction. He quitted Vienna, but the Directory disavowed him. Soon after his return to France he married Eugènie, the daughter of the soap-boiler, Clary, of Marseilles, and sister of the wife of Joseph Bonaparte. He lived for a while in retirement, but was summoned by the Government to Paris and was given the command of the army of observation in Germany. After the revolution of the 30th Prairial, in the year VII (18 June, 1799), Bernadotte was appointed Minister of War; but the astute Siéyès was meditating a _coup d’état_, and mistrusting Bernadotte, deprived him of his portfolio. He accepted the title of Councillor of State from the First Consul, and the command of the army of the West. In 1804 Napoleon raised him to the dignity of Marshal of the Empire, and gave him the command of the army in Hanover. In June, 1806, he created him Prince of Pontecorvo, and employed him in the war that broke out with Prussia. It is unnecessary here to follow his career in the wars of Napoleon. The Emperor never liked him, and even thought of depriving him of the title he had conferred upon him. He dispatched him in disgrace to Rome; but before he reached it a deputation from Sweden arrived (September, 1810) with the tidings that King Charles XII had named him Crown Prince, and that the Estates of Sweden had unanimously ratified the appointment, with the condition that he should resign his French citizenship and adopt the Lutheran religion. To this he consented, and landed at Helsingborg on 20 October, 1810, and on 5 November was recognized as Crown Prince, and adopted the name of Charles John. By arrangement with Russia Norway was detached from Denmark and annexed to Sweden, much to the dislike of the Norwegians. In 1813 Sweden declared war against France, and Bernadotte led 20,000 Swedes to join the allies; but his dilatoriness caused him to be too late to take part in the Battle of the Nations at Liepzig. He was naturally reluctant to cross swords with his old master. In 1814 he marched in the same leisurely manner into France, and arrived in Paris after it had been occupied by the allies. On 5 February, 1818, he succeeded his adoptive father, and was crowned King of Sweden and Norway at both Stockholm and Drontheim. He was succeeded by his only son, Oscar, in 1844.