Invasion
Date:
1211
Description:
Relations between Llywelyn and John deteriorated in 1210, possibly do to his alliance with a lord who had fallen out with the king. A year later John invaded Gwynedd with the aid of almost all the other Welsh princes, planning according to Brut y Tywysogion "to dispossess Llywelyn and destroy him utterly." This first invasion was forced to retreat.
Sources:
- Llywelyn the Great - Wikipedia
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