United States of the Ionian Islands took Lefkada in 1810. The island of Corfu remained occupied by the French until 1814. The Congress of Vienna agreed to place the Ionian Islands under the exclusive "amical protection" of the United Kingdom. Despite British military administration, the Austrian Empire was guaranteed commercial status equal to the UK. The arrangement was formalised with the ratification of the "Maitland constitution" on 26 August 1817, which created a federation of the seven islands, with Lieutenant-General Sir Thomas Maitland its first "Lord High Commissioner of the Ionian Islands". The Party of Radicals (Greek: Κόμμα των Ριζοσπαστών) founded in 1848 was against the
United States of the Ionian Islands the United States of the Ionian Islands" and composed of a Legislative Assembly and a Senate. The 1818 constitution also established a High Court of Appeal to be called the Supreme Council of Justice of the United States of the Ionian Islands, of which the president was to be known as the Chief Justice, who would rank in precedence immediately after the President of the Senate. The successive Chief Justices were: United States of the Ionian Islands The United States of the Ionian Islands (, literally "United State of the Ionian Islands"; ) was a state and amical protectorate of