Flag of Greece the exact pattern: white cross on blue (plain) for the land flag; nine alternate-coloured stripes with the white cross on a blue field in the canton for the naval ensign; and blue with a blue cross on a white field in the canton for the civil ensign (merchant flag). On 30 June 1828, by decree of the Governor Ioannis Kapodistrias, the civil ensign was discontinued, and the cross-and-stripes naval ensign became the national ensign, worn by both naval and merchant ships. This design became immediately very popular with Greeks and in practice was often used simultaneously with the national (plain
Flag of Greece other designs surviving until that time. No other designs and badges can be shown on the flag. To date, no specification of the exact shade of the blue colour of the flag has been issued. Consequently, in practice hues may vary from very light to very dark. The Greek Flag Day is on 27 October. The old land flag is still flown at the Old Parliament building in Athens, site of the National Historical Museum, and can still be seen displayed unofficially by private citizens. The use of the Greek flag is regulated by Law 851. More specifically, the law