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
Ionian Islands Ionian Islands The Ionian Islands (Modern Greek: , ; Ancient Greek, Katharevousa: , ; ) are a group of islands in Greece. They are traditionally called the Heptanese, i.e. "the Seven Islands" (, "Heptanēsa" or , "Heptanēsos"; ), but the group includes many smaller islands as well as the seven principal ones. As a distinct historic region they date to the centuries-long Venetian rule, which preserved them from becoming part of the Ottoman Empire, and created a distinct cultural identity with many Italian influences. The Ionian Islands became part of the modern Greek state in 1864. Administratively today they belong