Dinefwr Borough Council
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|- Succeeded by||Carmarthenshire|
Dinefwr was a local government district of Dyfed, Wales from 1974 to 1996. It was named after Dinefwr Castle which was the court of the House of Dinefwr and one of the three principal royal courts of Wales with Aberffraw and Shrewsbury.
It was formed by the merger of the borough of Llandovery, the urban districts of Ammanford, Cwmamman and Llandeilo along with Llandeilo Rural District, from the administrative county of Carmarthenshire.
The inaugural elections to the authority were held in 1973. Further elections were held in 1976, 1979, 1983, 1987 and 1991. Independent councillors held a majority of the seats on the authority throughout its existence and the most significant political grouping was the Labour Party who held a number of seats in the former mining wards of the Amman Valley.
In 1996 the district was abolished under the Local Government (Wales) Act 1994. It was replaced by the new unitary authority of Carmarthenshire, which covers the areas of the former districts of Carmarthen, Llanelli and Dinefwr.
- Dinefwr Borough Council election, 1973
- Dinefwr Borough Council election, 1976
- Dinefwr Borough Council election, 1979
- Dinefwr Borough Council election, 1983
- Dinefwr Borough Council election, 1987
- Dinefwr Borough Council election, 1991
Princely House of Dinefwr
With the death of Rhodri Mawr, the Kingdom of Gwynedd passed to his eldest son Anarawd ap Rhodri. Rhodri's second son Cadell ap Rhodri, however, looked outside Gwynedd's traditional borders and took possession of the Dark Ages Kingdom of Dyfed by the late 9th century, probably establishing his capital at the citadel of Dinefwr (first attested in 1161, but as a well-known stronghold).
King Hywel Dda united all of South Wales – the Deheubarth – in the early 10th century. The Dinefwr dynasty would rule in Deheubarth until their conquest by the Anglo-Normans in the 13th century. This branch would compete with House Aberffraw for supremacy and influence in Wales throughout the 10th, 11th, and 12th century, with Powys variously ruled between them. The Mathrafal clan who ruled Powys after the mid-11th century were a cadet branch of this family.