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 Cephalonia, where a great number of people had adopted Venetian Italian as their first language. The United States of the Ionian Islands was a federation. It included seven island states, each of which was allocated a number of seats in the parliament, the Ionian Senate: The British organised administration under the direction of a Lord High Commissioner, appointed by the British monarch on the advice of the British government. In total, ten men served in this capacity, including William Gladstone as a Lord High Commissioner Extraordinary (in office 1858-1859). The Ionian Islands had a bicameral legislature, titled the "Parliament of