England–Wales border

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England–Wales border
Ffin Cymru a Lloegr
Map showing the England–Wales border, and local authorities on either side
Characteristics
Entities England  Wales
Length160 miles (260 km)
History
Established784
Construction of Offa's Dyke
Current shape1972
Local Government Act 1972
TreatiesLaws in Wales Acts 1535 and 1542

The England–Wales border, sometimes referred to as the Wales–England border or the Anglo-Welsh border, runs for 160 miles (260 km)

Severn estuary in the south, separating England and Wales.[2][3]

It has followed broadly the same line since the 8th century, and in part that of Offa's Dyke; the modern boundary was fixed in 1536, when the former marcher lordships which occupied the border area were abolished and new county boundaries were created. The administrative boundary of Wales was confirmed in the Local Government Act 1972. Whether Monmouthshire was part of Wales, or an English county treated for most purposes as though it were Welsh, was also settled by the 1972 Act, which included it in Wales.

Geography

Holt
, Wales, to the right
Bilingual "Welcome to Wales" sign
Bilingual "Welcome to England" sign

The modern boundary between Wales and England runs from the

Churchstoke including Corndon Hill. It then runs westwards to the River Teme, and follows the river southeastwards through Knighton before turning south towards the River Lugg at Presteigne, which is within Wales.[citation needed
]

The boundary continues southwards across hills to the

Severn estuary towards the Bristol Channel, with the small island of Flat Holm being administered as part of Wales and the neighbouring island of Steep Holm as part of England.[citation needed
]

Administrative boundary

The boundary passes between Flintshire, Wrexham County Borough, Powys, and Monmouthshire in Wales and Cheshire, Shropshire, Herefordshire and Gloucestershire in England.

History

Ancient Britain

The approximate limit of coin-minting tribes in south Britain, and the limits of the campaigns of Claudius and Aulus Plautius.

Before and during the

Britons. The topographical contrast between the mountainous western areas and the generally lower-lying areas to the east is reflected in the nature of ancient settlements, with the majority of hillforts in Britain found in this western area.[4]

Roman era

Distribution of the legions across the Roman Empire in 80 AD, showing two legions stationed near what would become the England-Wales border.[citation needed]

During the Roman occupation, the tribes of Wales (

]

In most of Wales, the militaristic nature of the occupation was in stark contrast to that of southeast Britain. As such, by the

Romano-British in the east, and the more independent and tribal kingdoms to the west. This western area was, however, largely Christian, and a number of successor states attempted to continue Roman practices. The most successful of these were the Kingdom of Gwynedd in the northwest, the Kingdom of Gwent and Glywysing in the southeast, the Kingdom of Dyfed in the southwest and the Kingdom of Powys in the east. Powys roughly coincided with the territory of the Celtic Cornovii tribe whose civitas or administrative centre during the Roman period was at Viroconium. Gwynedd, at the height of its power, extended as far east as the Dee estuary. Gradually, from the 5th century onwards, pagan tribes from the east, including the Angles and Saxons, conquered eastern and southern Britain, which later became England.[5][6]

In the south, the Welsh kingdom of Gwent broadly covered the same area as the pre-Roman Silures, traditionally the area between the rivers Usk, Wye and the Severn estuary. It was centred at different times on Venta (Caerwent), from which it derived its name, and Isca Augusta (Caerleon). Gwent generally allied with, and at various times was joined with, the smaller Welsh kingdom of Ergyng, centred in present-day southern Herefordshire west of the Wye (and deriving its name from the Roman town of Ariconium); and the larger kingdom of Glywysing in modern Glamorgan. The name Glywysing may indicate that it was founded by a British native of Glevum (Gloucester).[citation needed]

Medieval era

Peoples of southern Britain, circa 600 AD
Post-Roman Welsh kingdoms or tribes. The modern border between England and Wales is shown in purple.

The

Thames valley, Cotswolds and Hampshire areas. In 577, the Battle of Deorham in the southern Cotswolds was won by the Anglo-Saxons, and led to Wessex extending its control to the Severn estuary and the cities of Gloucester, Cirencester, and Bath. This severed the land link between the Britons of Wales and those of the south west peninsula. By about 600, however, the area of modern Gloucestershire east of the Severn, as well as most of Worcestershire, was controlled by another group, the Hwicce, who may have arisen from intermarriage between Anglo-Saxon and British leading families, possibly the successors to the pre-Roman Dobunni. The Hwicce came increasingly under Mercian hegemony.[citation needed
]

At the

Wrekinset in the northern part of what became Shropshire, and the Magonsæte in the southern part.[6] Further south, the area north west of the Severn later known as the Forest of Dean seems to have remained in British (that is, Welsh) hands until about 760.[7]

Offa's Dyke

Offa's Dyke near Clun in Shropshire

After

Basingwerk in what became Flintshire, perhaps to protect recently acquired lands.[5] After Æthelbald was killed in 757, a brief civil war in Mercia then ended in victory for his distant cousin, Offa. As king, he rebuilt Mercia's hegemony over the southern English through military campaigns, and also caused the construction of Offa's Dyke, around the years 770 and 780.[8]

Wye valley and east of the Wye at Beachley, may in their view have been built for different purposes at different times, although their conclusions are themselves disputed.[8][9]

Offa's Dyke largely remained the frontier between the Welsh and English in later centuries. By the 9th century, the expanding power of Mercia led to it gaining control over Ergyng and nearby

Athelstan, "King of the English", summoned the Welsh kings including Hywel Dda of Deheubarth to a meeting at Hereford, and according to William of Malmesbury laid down the boundary between England and Wales, particularly the disputed southern stretch where he specified that the eastern bank of the Wye should form the boundary.[citation needed
]

By the mid-eleventh century, most of Wales had become united under the king of

Gruffudd ap Llywelyn. In 1055, he marched on Hereford and sacked the city. He also seized Morgannwg and the Kingdom of Gwent, together with substantial territories east of Offa's Dyke, and raided as far as Chester and Leominster.[6] He claimed sovereignty over the whole of Wales, a claim recognised by the English, and historian John Davies states that Gruffudd was "the only Welsh king ever to rule over the entire territory of Wales.".[5] However, after his most powerful ally – Earl Elfgar of Mercia and East Anglia – died, Harold and Tostig Godwinson took advantage of the situation – Gruffudd being besieged in Snowdonia – and invaded Wales. In 1063, Gruffudd was killed by his own men. Harold returned many of the Welsh princes their lands, so that after Harold's death at the Battle of Hastings, Wales was again divided without a leader to resist the Normans.[citation needed
]

March of Wales

The River Wye, 1816 road bridge and castle at Chepstow. The river forms the boundary between Monmouthshire, Wales (left) and Gloucestershire, England (right)

Immediately after the

Gwent Levels (Welsh: Gwent Is-coed); over the whole of north east Wales as far west as the River Clwyd, an area known to the Welsh as the Perfeddwlad; and west of Offa's Dyke, especially in Powys where a new castle was named, after its lord, Montgomery.[5]

Domesday Book no doubt records the extent of English penetration into Wales. This suggests that Offa's Dyke still approximately represented the boundary between England and Wales. However, during the anarchy of Stephen various Welsh princes were able to occupy lands beyond it, including Whittington, Shropshire (see Whittington Castle) and Maelor Saesneg, hitherto in England. These lands were brought under English lordship by Henry II of England, but became Marcher lordships, and so part of Wales. This involved a loss of direct rule by the English crown.[11]

Over the next four centuries, Norman lords established mostly small lordships, at times numbering over 150, between the Dee and Severn and further west. The precise dates and means of formation of the lordships varied, as did their size. Hundreds of small castles, mostly of the

motte and bailey type, were built in the border area in the 12th and 13th centuries, predominantly by Norman lords as assertions of power as well as defences against Welsh raiders and rebels. Many new towns were established across the area, some such as Chepstow, Monmouth, Ludlow and Newtown becoming successful trading centres, and these tended to be a focus of English settlement. However, the Welsh continued to attack English soil and supported rebellions against the Normans.[5][6]

The

St. David's and Llandaff in the south, collectively defined an area which included both the Principality and the March, and coincided closely with later definitions of Wales.[5]

The

court of the Aberffraw dynasty.[5]

The Statute of Rhuddlan in 1284 followed the conquest of the Principality by Edward I of England. It assumed the lands held by the Princes of Gwynedd under the title "Prince of Wales" as legally part of the lands of England, and established shire counties on the English model over those areas. The Council of Wales, based at Ludlow Castle, was also established in the 15th century to govern the area.[citation needed]

Formation of "England and Wales" and county boundaries