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.
Principality of Wales declaration to the Welsh that there would be a Prince of Wales "that was borne in Wales and could speake never a word of English": Edward was born at Caernarfon Castle and, in common with rest of the English ruling elite, spoke French. However, there seems to be no basis for the story. On 7 February 1301, the king granted to Edward all the lands under royal control in Wales, mainly the territory of the former Principality. Although the documents granting the land made no reference to the title "Prince of Wales", it seems likely that Edward was invested with