Prince of Wales regard as having been the last native Prince. On 16 September 1400, he was proclaimed Prince of Wales by his supporters, and held parliaments at Harlech Castle and elsewhere during his revolt, which encompassed all of Wales. It was not until 1409 that his revolt in quest of Welsh independence was suppressed by Henry IV. The tradition of conferring the title "Prince of Wales" on the heir apparent of the monarch is usually considered to have begun in 1301, when King Edward I of England invested his son Edward of Caernarfon with the title at a Parliament held in Lincoln.
Coat of arms of the Prince of Wales May 1343. Legend holds that the Black Prince took the motto as well as the ostrich feathers from King John the Blind of Bohemia, who was killed fighting alongside the prince and his father at the Battle of Crécy in 1346. The motto is also a near homophone for "Eich Dyn", "Your Man" in Welsh. The Prince of Wales as part of his full achievement of arms has many Heraldic badges, which represents the history and sovereignty of his many titles. The Prince of Wales's feathers badge comprises "A plume of three ostrich feathers Argent enfiled by a royal coronet