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With a POD after Richard I's ascension to the throne, find a way for the English to preserve their holdings on the continent until after 1453. Calais does not count - we're looking at for instance, Gascony.

Automatic failure if this involves the Plantagenets taking the throne of France (we're looking at English authority over part of what is now France, not Plantagenet France). France breaking up into separate duchies that refuse to acknowledge royal authority and/or being divided by between England and the HRE is also grounds for automatic failure (we already have timelines covering that).
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