Flag of Wales ancestry in gathering support and gaining safe passage through Wales. Henry met and fought Richard III at the Battle of Bosworth, and in victory took the English throne. After the battle, Henry carried the red dragon standard in state to St Paul's Cathedral, and later the Tudor livery of green and white was added to the flag. In 1807, the red dragon on a green mount was adopted as the Royal Badge of Wales, and on 11 March 1953 the motto "Y Ddraig goch ddyry cychwyn" ('The red dragon gives impetus' or 'The red dragon leads the way') was added,
Flag of Wales form of the Draco standards borne by the Roman cavalry, itself inspired by the symbols of the Dacians or Parthians. The Olm (Proteus anguinus) of Slovenia bear a similarity in miniature to the Draco standard and they are referred to as baby cave dragons by the locals. The green and white stripes of the flag were additions by the House of Tudor, the Welsh dynasty that held the English throne from 1485 to 1603. Green and white are also the colours of the leek, another national emblem of Wales. The oldest known use of the dragon to represent Wales is