French rule in the Ionian Islands French rule in the Ionian Islands The French rule in the Ionian Islands ( "Gallokratía ton Eptaníson") lasted from June 1797 to March 1799. Following the Fall of the Republic of Venice in May 1797, the Ionian Islands, a Venetian possession, were occupied by the French Republic. The French instituted a new, democratic regime and, following the Treaty of Campo Formio, annexed the islands to France, forming the three departments of "Corcyre" (Corfu), "Ithaque" (Ithaca) and "Mer-Égée" (Aegean Sea). Originally widely welcomed, French rule began to grow oppressive to the islanders, and aroused the enmity of the Ottoman Empire and
United States of the Ionian Islands and Russia signed the Treaty of London, pledging the transfer of sovereignty to Greece upon ratification; this was meant to bolster the reign of the newly installed King George I of Greece. Thus, on 28 May, by proclamation of the Lord High Commissioner, the Ionian Islands were united with Greece. According to the second constitution of the republic (1803), Greek was the primary official language, in contrast to the situation in the Septinsular Republic. Italian was still in use, though, mainly for official purposes since the Venetian Republic. The only island in which Italian (Venetian) had a wider spread was