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.
George III and the Prince of Wales Reviewing Troops George III and the Prince of Wales Reviewing Troops George III and the Prince of Wales Reviewing Troops was an oil on canvas painting by William Beechey, showing George III and his sons George, Prince of Wales and Frederick, Duke of York at an imagined review in Hyde Park. George rides Adonis (his favourite horse), whilst the Prince of Wales wears the uniform of the 10th Light Dragoons, of which he was colonel. Beside Frederick is David Dundas (Quartermaster General, who had commanded manoeuvres at Windsor and Weymouth before the king) and the painting also shows Philip Goldsworthy (one of