Investiture of the Prince of Wales The tradition of investing the heir apparent of the English, and subsequently the British, monarch with the title of "Prince of Wales" began in 1301, when King Edward I of England, having completed the conquest of Wales, gave the title to his heir apparent, Prince Edward (later King Edward II of England). Investiture is not necessary to be created Prince of Wales. Peers were also invested, but investitures for peers ceased in 1621, at a time when peerages were being created so frequently that the investiture ceremonies became cumbersome. Most investitures for Princes of Wales were held in front of
King of Wales powers: Powys, Gwynedd, Dyfed/Deheubarth, and Morgannwg. With Wales now developing into a more consolidated entity, it ultimately set the stage for Gruffudd ap Llywelyn in the mid-11th century. Alliances with Anglo-Saxon dynasties and Vikings helped him unite the country, and even conquer land belonging to the English. "In 1055 he absorbed Deheubarth as well, thus becoming in effect King of Wales". John Davies states that Gruffydd was "the only Welsh king ever to rule over the entire territory of Wales... Thus, from about 1057 until his death in 1063, the whole of Wales recognised the kingship of and notably peaceful