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 used in the insignia; gold rods were formally used in the investitures of dukes, but survive now in the investitures of Princes of Wales only. Also part of the insignia are a ring, a sword and a robe. Since 1301 the title Earl of Chester has generally been granted to heirs apparent to the English throne, and from the late 14th century it has been given only in conjunction with that of Prince of Wales. Both titles must be created for each individual and are not automatically acquired. The Earldom of Chester was one of the most powerful earldoms in