Welsh Dragon Welsh Dragon The Welsh Dragon (, meaning "the red dragon", ) appears on the national flag of Wales. The oldest recorded use of the dragon to symbolise Wales is in the "Historia Brittonum", written around AD 829, but it is popularly supposed to have been the battle standard of King Arthur and other ancient Celtic leaders. Its association with these leaders along with other evidence from archaeology, literature, and documentary history led many to suppose that it evolved from an earlier Romano-British national symbol. During the reigns of the Tudor monarchs, the red dragon was used as a supporter in
Flag of Thailand and blue for the monarchy, the last having been the auspicious colour of Rama VI. As the king declared war on Germany that July, some note the flag now bore the same colours as those of the UK, France, Russia and the United States. The Flag Act of BE 2522 (1979) stipulates the design of the national flag as "rectangular in shape with 6 part width and 9 part length, divided into five stripes throughout the length of the flag; with the middle stripe being 2 part wide, of deep blue colour, and the white stripes being 1 part wide