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aug 28, 1204 - Duke Leofwine usurps the Duchy of Deira

Description:

Duke Leofwine of Wessex had a claim on the Duchy of Deira and usurped it from England for Cornwall. Deira had four counties: York, Lincoln, Westmorland and Lancaster.

Added to timeline:

Date:

aug 28, 1204
Now
~ 822 years ago