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.
Prince of Wales nephew Llywelyn ap Gruffudd succeeded to the throne of Gwynedd, and used the style as early as 1258. In 1267, with the signing of the Treaty of Montgomery, he was recognised by both King Henry III of England and the representative of the Papacy as Prince of Wales. In 1282, Llywelyn was killed during Edward I of England's invasion of Wales and although his brother Dafydd ap Gruffudd succeeded to the Welsh princeship, issuing documents as prince, his principality was not recognised by the English Crown. Three Welshmen, however, claimed the title of Prince of Wales after 1283. The first