<P> In 1240 , the title was theoretically inherited by his son Dafydd ap Llywelyn , though he is not known to have used it . Instead he styled himself as `` Prince of Wales '' around 1244 , the first Welsh prince to do so . In 1246 , his nephew Llywelyn ap Gruffudd succeeded to the throne of Gwynedd , and used the style as early as 1258 . In 1267 , with the signing of the Treaty of Montgomery , he was recognised by both King Henry III of England and the representative of the Papacy as Prince of Wales . In 1282 , Llywelyn was killed during Edward I of England 's invasion of Wales and although his brother Dafydd ap Gruffudd succeeded to the Welsh princeship , issuing documents as prince , his principality was not recognised by the English Crown . </P>
<P> In 1240 , the title was theoretically inherited by his son Dafydd ap Llywelyn , though he is not known to have used it . Instead he styled himself as `` Prince of Wales '' around 1244 , the first Welsh prince to do so . In 1246 , his nephew Llywelyn ap Gruffudd succeeded to the throne of Gwynedd , and used the style as early as 1258 . In 1267 , with the signing of the Treaty of Montgomery , he was recognised by both King Henry III of England and the representative of the Papacy as Prince of Wales . In 1282 , Llywelyn was killed during Edward I of England 's invasion of Wales and although his brother Dafydd ap Gruffudd succeeded to the Welsh princeship , issuing documents as prince , his principality was not recognised by the English Crown . </P>
when was the title prince of wales created
when was the title prince of wales created
around 1244
around 1244