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Llywelyn III
History of Wales

1246
Succession
Succeeds as Prince of Wales
1255
Arrest
Bryn Derwin Llywelyn III arrested his brother, Owain
1255
Battle of Bryn Derwin
Bryn Derwin Llywelyn III defeats his brothers Owain & Dafydd
Bryn Derwin Llywelyn III wins authority over Gwynedd & Wales after the battle of Bryn Derwin
1255
Rule of Gwynedd
Gwynedd Llywelyn III wins authority over Gwynedd & Wales after the battle of Bryn Derwin
1255
Rule of Wales
Bryn Derwin Llywelyn III wins authority over Gwynedd & Wales after the battle of Bryn Derwin
1258
Peace
Signs a truce with Henry III
1260
Peace
22nd Aug Renews his truce with Henry III
1262
Rebellion
Attacks Prince Edward's castle & meets little resistance from the Marcher Lords
1267
Peace
The Peace of Montgomery confirm Llewelyn's title as Prince of Wales
25th Sep Shrewsbury Agrees a peace with Edward I which is signed at Shrewsbury
1267
Rebellion
Allies himself with the Earl of Gloucester against the English Royalists
Captures the mid-Welsh lands of Mortimer & devastates Edward I's Earldom in Cheshire
1267
Rule of Marches
Marches Awarded some of the Marcher lands under the Treaty of Shrewsbury
1267
Rule of Wales
Montgomery Recognized as overlord of Wales by Henry III in the treaty of Montgomery
1267
Siege of Cheshire
Cheshire Devastates Edward I's Earldom in Cheshire
1267
Treaty of Montgomery
Montgomery Henry III accepts Llywelyn's homage as prince of Wales
Montgomery Recognized as overlord of Wales by Henry III in the treaty of Montgomery
1267
Treaty of Shrewsbury
Shrewsbury Keeps many of the conquered Marcher lands
Shrewsbury Recognized as the Prince of Wales & overlord of the Welsh magnates
1273
Dolforwyn Castle
Dolforwyn Constructs Dolforwyn castle on the border overlooking the River Severn
1274
Coronation
18th Aug Refuses to attend the coronation of Edward I
1276
Arrest
Windsor Edward I has Eleanor held at Windsor while on her way to marry Llewelyn
1276
Homage
Chester Llywelyn III is declared a traitor by Edward I after refusing to pay homage
18th Aug Chester Edward I moves court & invites Llywelyn III to pay homage, Llywelyn III refuses
1276
Invasion of Wales
12th Nov Edward I announces his plans to invade Wales & go against Llewelyn III
1277
Battle of Chester
Chester Edward III takes to the field & forces Llywelyn III to sue for peace
1277
Rule of Gwynedd
Nov Gwynedd Under the treaty of Aberconwy Llywelyn III retains Gwynedd, west of the Conway
1277
Rule of Wales
Nov Aberconwy Under the treaty of Aberconwy Llywelyn III is stripped of his overlordship of Wales
1277
Treaty of Aberconwy
Nov Aberconwy Llywelyn III is reduced to his traditional heartland to the west of the River Conwy
Nov Aberconwy Llywelyn III is stripped of his overlordship of Wales
Nov Aberconwy Under the treaty of Aberconwy Llywelyn III retains Gwynedd, west of the Conway
1278
Marriage
Edward I allows the marriage of Llywelyn III to Eleanor, daughter of Simon de Montfort
1282
Battle of Irfon Bridge
11th Dec Irfon Bridge Death of Llywelyn III, during a skirmish with the English at Irfon Bridge
1282
Death
11th Dec Builth Death of Llywelyn III, during a skirmish with the English at Irfon Bridge
1282
Invasion of Wales
Edward I invades Wales
Aber Rejects Edward I's sovereignty over Wales
1282
Rule of Wales
Builth With the death of Llewelyn the cause of Welsh independence is lost
1282
Siege of Hawarden
12th Mar Hawarden Llywelyn's brother, Dafydd, attacks Hawarden Castle & sparked off the war of 1282-83

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