Succeeds as Prince of Wales
Historical person
Llywelyn III Biography
Historical biography and chronological timeline for Llywelyn III, based on 31 World History Database records associated with Wales.
Chronological biography
1246
1255
Llywelyn III arrested his brother, Owain
Llywelyn III wins authority over Gwynedd & Wales after the Battle of Bryn Derwin. Llywelyn III defeats his brothers Owain & Dafydd
Llywelyn III wins authority over Gwynedd & Wales after the Battle of Bryn Derwin
Llywelyn III wins authority over Gwynedd & Wales after the Battle of Bryn Derwin
1258
Signs a truce with Henry III
1260
Renews his truce with Henry III
1267
The Peace of Montgomery confirm Llewelyns title as Prince of Wales
Awarded some of the Marcher lands under the Treaty of Shrewsbury
Recognized as overlord of Wales by Henry III in the Treaty of Montgomery
Devastates Edward Is Earldom in Cheshire
Recognized as overlord of Wales by Henry III in the Treaty of Montgomery. Henry III accepts Llywelyns homage as prince of Wales
Recognized as the Prince of Wales & overlord of the Welsh magnates. Keeps many of the conquered Marcher lands
Agrees a peace with Edward I which is signed at Shrewsbury
1273
Constructs Dolforwyn castle on the border overlooking the River Severn
1274
Refuses to attend the coronation of Edward I
1276
Edward I has Eleanor held at Windsor while on her way to marry Llewelyn
Llywelyn III is declared a traitor by Edward I after refusing to pay homage
Edward I moves court & invites Llywelyn III to pay homage, Llywelyn III refuses
Edward I announces his plans to invade Wales & go against Llewelyn III
1277
Edward III takes to the field & forces Llywelyn III to sue for peace
Under the Treaty of Aberconwy Llywelyn III retains Gwynedd, west of the Conway
Under the Treaty of Aberconwy Llywelyn III is stripped of his overlordship of Wales
Under the Treaty of Aberconwy Llywelyn III retains Gwynedd, west of the Conway. Llywelyn III is stripped of his overlordship of Wales. Llywelyn III is reduced to his traditional heartland to the west of the River Conwy
1278
Edward I allows the marriage of Llywelyn III to Eleanor, daughter of Simon de Montfort
1282
Edward I invades Wales
Rejects Edward Is sovereignty over Wales
With the death of Llewelyn the cause of Welsh independence is lost
Llywelyns brother, Dafydd, attacks Hawarden Castle & sparked off the war of 1282-83
Death of Llywelyn III, during a skirmish with the English at Irfon Bridge
Death of Llywelyn III, during a skirmish with the English at Irfon Bridge
Titles and roles
King · Prince
Record provenance
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.