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.
Investiture of the Prince of Wales now in the investitures of Princes of Wales only. Also part of the insignia are a ring, a girdle, a sword and a robe. It is recorded that Llywelyn ap Gruffudd had deposited his coronet along with his other regalia with the monks at Cymer Abbey for safekeeping at the start of his final campaign in 1282. He was killed later that year. It was seized and presented to King Edward I of England as a token of the complete annihilation of the independent Welsh state. Frederick, Prince of Wales, later had the Coronet of Frederick, Prince of Wales, made