Venetian rule in the Ionian Islands appears to have been only two thousand. Jewish presence in Corfu can be traced since the times of the Principality of Taranto. In Cephalonia, there is evidence of Jewish habitation in the old capital, the Castle of St. George, since the early 17th century. When the capital of the island was transferred to Argostoli the Jews resettled there. The social structure of the islands followed that of Venice. The whole population was divided into three classes: the nobles ('), the bourgeoisie (') and the common people ("). Throughout Venice's old possessions, but above all in the Ionian islands, the memory
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