The Tudors' livery was white and green. As he marched his troops through Wales to Bosworth, Henry Tudor - shortly to be Henry VII - flew the red dragon of Cadwallader, from whom he claimed ancestry, ...

With the invasions of the Angles and Saxons, the Britons ... red dragon of Cadwallader, from whom he claimed ancestry, on the white and green Tudor colours. It was the beginning of the flag ...