Flag of Greece Additionally, the flag may also be flown on days of national mourning, half-mast. The Minister of the Interior has the authority to proclaim flag days if they are not already proclaimed, and proclaiming regional flag days is vested with the elected head of each regional unit (formerly prefectures). Although 17 November is not an official national holiday, Presidential Decree 201/1998 states that respects are to be paid to the flag on that particular day. The War flag (equivalent to regimental colours) of the Army and the Air Force is of square shape, with a white cross on blue background. On
Flag of the United States of the Ionian Islands protection of the United Kingdom. In 1864, pursuant to the Treaty of London the United Kingdom ceded the United States of the Ionian Islands to the Kingdom of Greece as a gesture of goodwill following Prince Alfred declining to accept the Greek throne despite Greek popular request. Upon the annexation of the Ionian Islands, the flag of the United States ceased to have official status and was replaced by the flag of Greece. Flag of the United States of the Ionian Islands The Flag of the United States of the Ionian Islands was used between 1815 and 1864. The flag