National flag common for colours to be presented in bands of three. It is common for many flags to feature national symbols, such as coats of arms. National patterns are present in some flags. Variations in design within a national flag can be common in the flag's upper left quarter, or canton. The most popular colours in national flags are red, white, green, dark blue, yellow, light blue, and black. The occurrence of each colour in all the flags is listed in detail in the table below. The table shows that the colours light brown, dark brown and grey only occur in
Flag of Wales dragon is particularly associated in Welsh poetry with Cadwaladr king of Gwynedd from c.655 to 682. The Dragons of Arthur and Cadwaladr were possibly based on the draco standards carried by Roman cavalry units stationed in Britain. The Draco originated with the Sarmatians, a unit of whom were stationed in Ribchester from the 2nd to 4th centuries. Despite the close link throughout early Welsh history, the dragon was not used exclusively as a symbol for Wales during this period, and it was used throughout Britain as a symbol of authority. In 1138, it was adopted by the Scottish as a