Flag of Greece of the exact reasoning behind its official adoption in early 1822. It has been suggested by some Greek historians that the current flag derived from an older design, the virtually identical flag of the powerful Cretan Kallergis family. This flag was based on their coat of arms, whose pattern is supposed to be derived from the standards of their claimed ancestor, Byzantine Emperor Nicephorus II Phocas (963–969 AD). This pattern (according to not easily verifiable descriptions) included nine stripes of alternating blue and white, as well as a cross, assumed to be placed on the upper left. Although the use
Flag of Greece flags was the "labarum". In the surviving pictorial sources of the middle and later Empire, primarily the illustrated Skylitzes Chronicle, the predominating colours are red and blue in horizontal stripes, with a cross often placed in the centre of the flag. Other common symbols, prominently featuring on seals, were depictions of Christ, the Virgin Mary and saints, but these represent personal rather than family or state symbols. Western European-style heraldry was largely unknown until the last centuries of the Empire. There is no mention of any "state" flag until the mid-14th century, when a Spanish atlas, the "Conosçimiento de todos