Flag of Greece Byzantine double-headed eagle (see below), the cross, depictions of saints and various mottoes. The Christian Greek sipahi cavalry employed by the Ottoman Sultan were allowed to use their own, clearly Christian flag, when within Epirus and the Peloponnese. It featured the classic blue cross on a white field with the picture of St. George slaying the dragon, and was used from 1431 until 1639, when this privilege was greatly limited by the Sultan. Similar flags were used by other local leaders. The closest to a Greek "national" flag during Ottoman rule was the so-called "Graeco-Ottoman flag" (Γραικοθωμανική παντιέρα), a civil
Flag of the Soviet Union building of communism. The flag's design was legislated in 1955, which gave a clear way to define and create the flag. This resulted in a change of the hammer's handle length and the shape of the sickle. The adopted statute stated that: The final design of the flag was adopted in 1980. The design was kept the same except that the background colour was changed. The colour was brightened from a near-burgundy crimson to a light to medium red. That flag remained the national flag of the Soviet Union up until late 1991, when a tricolour was formally adopted by