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In page 1341:

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  • The Breton War of Succession begins, over the control of the Duchy of Brittany.[citation needed]
  • Margarete Maultasch, Countess of Tyrol, expels her husband John Henry of Bohemia, to whom she had been married as a child. She subsequently marries Louis of Bavaria without having been divorced, which results in the excommunication of the couple.[citation needed]