Why is the red dragon (Y Ddraig Goch) the emblem of Wales? It is flown across the world to mark sporting events and St David's Day every 1 March. But do you know where the flag came from ...
Henry Tudor - shortly to be Henry VII - flew the red dragon of Cadwallader, from whom he claimed ancestry, on the white and green Tudor colours. It was the beginning of the flag as we know it today.