The Kingdom of Dyfed was a sub-Roman and early medieval kingdom in south-west Wales. Sub-Roman Britain is a term derived from an archaeologists label for the material culture of Britain in Late Antiquity. ... Justinians wife Theodora and her retinue, in a 6th century mosaic from the Basilica of San Vitale in Ravenna. ... Approximate extent of South Wales South Wales (Welsh: ) is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. ...

Dyfed, or in its Latin form Demetia, was one of the ancient kingdoms of Wales prior to the Norman Conquest. It succeeded to the former Roman administrative civitas of the Demetae tribe. It originally occupied an area roughly corresponding to modern Pembrokeshire. Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... Motto: (Welsh for Wales forever) Anthem: Hen Wlad Fy Nhadau Capital Cardiff Largest city Cardiff Official language(s) Welsh, English Government Constitutional monarchy  - Queen Queen Elizabeth II  - Prime Minister of the UK Tony Blair MP  - First Minister Rhodri Morgan AM Unification    - by Gruffudd ap Llywelyn 1056  Area    - Total 20,779... Bayeux Tapestry depicting events leading to the Battle of Hastings The Norman Conquest of England was the conquest of the Kingdom of England by William the Conqueror (Duke of Normandy), in 1066 at the Battle of Hastings and the subsequent Norman control of England. ... The Roman Empire is the name given to both the imperial domain developed by the city-state of Rome and also the corresponding phase of that civilization, characterized by an autocratic form of government. ... In the history of the Roman empire, civitas (pl. ... The Demetae were one of the Celtic tribes living in the British Islands, prior to the Roman invasion of Britain. ... Pembrokeshire (Welsh: Sir Benfro) is a county in the southwest of Wales in the United Kingdom. ...

In the 10th century Hywel Dda united Dyfed and the neighbouring kingdom of Seisyllwg under his rule. The new kingdom became known as Deheubarth and covered an area roughly corresponding to modern Dyfed. As a means of recording the passage of time, the 10th century was that century which lasted from 901 to 1000. ... Howell the Good (880?–950; Welsh: Hywel Dda or Hywel ap Cadell) is listed amongst the kings of Gwynedd. ... Seisyllwg was a kingdom of medieval Wales. ... Deheubarth was a south-western kingdom or principality of medieval Wales. ... Dyfed was one of the ancient kingdoms (or principalities) of Wales prior to the Norman Conquest. ...