Venetian rule in the Ionian Islands to south, including their Greek and Italian names in parentheses: Cythera and Lefkada were additionally called ' or ' and " respectively by the Ottomans. During the Roman Empire, the Ionian Islands were variously part of the provinces of Achaea and Epirus vetus. These would form, with the exception of Cythera, the Byzantine theme of Cephallenia in the late 8th century. From the late 11th century, the Ionian Islands became a battleground in the Byzantine–Norman Wars. The island of Corfu was held by the Normans in 1081–1085 and 1147–1149, while the Venetians unsuccessfully besieged it in 1122–1123. The island of
Ionian Academy and educational activities in establishing the high level of the Medical School influenced the Greek medical science as a whole. In particular, George Therianos (Prof of General and Comparative Anatomy and Experimental Physics) from the island of Zante (Zakynthos) met the Earl of Guilford in 1825 in England and was given the position of professor of the Academy's Medical School. Giovanni Carandino (Ioannis Karantinos), who had already learnt mathematics with Charles Dupin at the original Ionian Academy established by the French during their occupation of the Septinsular Republic (1807–1824), was sent by Lord Guilford to study at the École Polytechnique