Ionian Islands in Venetian hands since 1238. The islands thus became the only part of the Greek-speaking world to escape Ottoman rule, which gave them both a unity and an importance in Greek history they would otherwise not have had. Corfu was the only Greek island never conquered by the Turks. Under Venetian rule, many of the upper classes spoke Italian (or Venetian in some cases) and converted to Roman Catholicism, but the majority remained Greek ethnically, linguistically, and religiously. In the 18th century, a Greek national independence movement began to emerge, and the free status of the Ionian islands made them
Flag of the United States of the Ionian Islands the Ionian Islands' national flag would be the flag of the Septinsular Republic, a Lion of Saint Mark holding a Bible on a blue background, with a Union Jack in the upper corner closest to the flagstaff to symbolise the British protectorate. During shipping in the Black Sea and the Eastern Mediterranean, the flag of the United States of the Ionian Islands would often be used as a flag of convenience by Greek ships to purport that they enjoyed the protection of the British Empire. The British ambassador to the Ottoman Empire, Percy Smythe, 6th Viscount Strangford, was annoyed by