Polity Kingdom of Ceredigion

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Was one of several Welsh kingdoms that emerged in 5th-century post-Roman Britain.

Establishment

  • January 471: The Kingdom of Ceredigion was one of several Welsh kingdoms that emerged in 5th-century post-Roman Britain.

Chronology

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1. End of Roman rule in Britannia and Armorica

The inhabitants of Britannia and Armorica expelled the Romans.

  • January 471: The Kingdom of Ceredigion was one of several Welsh kingdoms that emerged in 5th-century post-Roman Britain.

Disestablishment

  • January 681: Seisyllwg was a petty kingdom of medieval Wales. It is unclear when it emerged as a distinct unit, but according to later sources it consisted of the former Kingdom of Ceredigion.