History of Carnarvonshire
Carnarvonshire is in Gwynedd.
Around 1100 Owain "Great" King Gwynedd 1100-1170 was born to Gruffudd ap Cynan King Gwynedd 1055-1137 (45) and Angharad Queen Consort Gwynedd 1065-1162 (35) at Carnarvonshire.
Around 1145 Dafydd ab Owain Aberffraw Prince Gwynedd 1145-1203 was born to Owain "Great" King Gwynedd 1100-1170 (45) and Cristin ferch Goronwy Unknown Queen Consort Gwynedd 1105-1175 (40) at Carnarvonshire.
On 05 Dec 1194 Gwladus verch Llewelyn "Dark Eyed" Aberffraw 1194-1251 was born to Llewellyn "The Great" Aberffraw 1172-1240 (22) and Joan Plantagenet 1191-1237 (3) at Carnarvonshire. She a granddaughter of John "Lackland" King England 1166-1216. 
John Zouche died at Carnarvonshire.
AberConwy, Carnarvonshire
In 1248 Gruffydd ap Llewellyn Aberffraw 1198-1244 (50) was buried at AberConwy.
Castell y Bere, Carnarvonshire
Castles built by the Welsh for the Welsh include Dryswyn Castle, Dolbadarn Castle, Dolwyddelan Castle, Ewloe Castle, Castell Dinas Brân, Castell y Bere, Carreg Cennen Castle and Arnold Arnaullt Castle.
Criccieth, Carnarvonshire
Criccieth Castle, Carnarvonshire
In 1239 Gruffydd ap Llewellyn Aberffraw 1198-1244 (41) was imprisoned at Criccieth Castle.
In 1239 Owain "The Red" Aberffraw 1232-1282 (7) was imprisoned at Criccieth Castle.
On 12 Mar 1309 William Leybourne 1st Baron Leybourne 1242-1309 (67) died at Criccieth Castle.
The Welsh Castles and Towns of Edward I comprise a number of castles with associated planned towns commissioned as a means of containing the Welsh. They included, from east to west, Flint Castle, Rhuddlan Castle, Conwy Castle, Beaumaris Castle, Caernarfon Castle, Harlech Castle and Aberystwyth Castle. Those not on the coast included Denbigh Castle and Town Walls and Builth Castle. Arguably, Holt Castle and Criccieth Castle should be included.
Dolbadarn, Carnarvonshire
Dolbadarn Castle, Carnarvonshire
In 1255 Owain "The Red" Aberffraw 1232-1282 (23) was imprisoned at Dolbadarn Castle.
In 1277 Edward "Longshanks" I King England 1239-1307 (37) and Llewellyn "Last" Aberffraw 1233-1282 (44) signed the Treaty of Aberconwy by which Llewellyn "Last" Aberffraw 1233-1282 (44) agreed that Welsh self-rule would end with the death of Llewellyn "Last" Aberffraw 1233-1282 (44). As part of the Treaty Owain "The Red" Aberffraw 1232-1282 (45) was released from Dolbadarn Castle.
Castles built by the Welsh for the Welsh include Dryswyn Castle, Dolbadarn Castle, Dolwyddelan Castle, Ewloe Castle, Castell Dinas Brân, Castell y Bere, Carreg Cennen Castle and Arnold Arnaullt Castle.
Dolwyddelan Castle, Carnarvonshire
Castles built by the Welsh for the Welsh include Dryswyn Castle, Dolbadarn Castle, Dolwyddelan Castle, Ewloe Castle, Castell Dinas Brân, Castell y Bere, Carreg Cennen Castle and Arnold Arnaullt Castle.
Glynllifon, Carnarvonshire
In 1602 John Glynne Judge 1602-1666 was born to William Glynne 1566-1620 (36) and Jane Griffith at Glynllifon.
Harlech, Carnarvonshire
Harlech Castle, Carnarvonshire
In 1408 Edmund Mortimer 1376-1408 (31) died at Harlech Castle during the Siege of Harlech Castle.
In 1466 the Lancastrian Richard Turnstall led the garrison of Harlech Castle in a raid on Wrexham. The rebels captured Holt Castle. John "Butcher of England" Tiptoft 1st Earl Worcester 1427-1470 (38) was sent to suppress the rebellion. 
The Welsh Castles and Towns of Edward I comprise a number of castles with associated planned towns commissioned as a means of containing the Welsh. They included, from east to west, Flint Castle, Rhuddlan Castle, Conwy Castle, Beaumaris Castle, Caernarfon Castle, Harlech Castle and Aberystwyth Castle. Those not on the coast included Denbigh Castle and Town Walls and Builth Castle. Arguably, Holt Castle and Criccieth Castle should be included.
Llandwrog, Carnarvonshire