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 the Soviet Union statute on the flag was adopted which resulted in a change of the hammer's handle length and the shape of the sickle. A final modification to the flag was adopted in 1980 in which the colour was brightened to a lighter shade of red. The flag continued to be the official national flag until the dissolution of the Soviet Union. Its imagery is now the basis for the flags of many communist parties: a yellow hammer and sickle on a red background. The flag of the Soviet Union consisted of a plain red flag with a gold hammer crossed with