The grandson of Alfred the Great, Æthelstan the Glorious was the first King of England, reigning from 924 to 939. Æthelstan inherited the title King of Mercia from his father Edward the Elder, but was not immediately accepted as King of England. Shortly after his crowning he married one of his sisters to the Viking King of Northumbria, Sithric. When Sithric died only a year later, Æthelstan seized Northumbria making him king of more land than any other before him, roughly the same as modern England.

In this explainer episode of Gone Medieval, Matt Lewis tells the story of a reign that is sometimes overlooked but which was of great importance to political developments in the 10th century.

This episode was edited by Joseph Knight and produced by Elena Guthrie.

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