919 - Vikings ruled in York again


England
Edward the Elder build a fortress at Bedford
France
A Norwegian Viking chief named Ragenold raided the Loire area and attacked Nantes. Count Fulk I of Anjou who claimed the title of Count of Nantes, lost to the viking raiders
Ireland
October – The king of Ireland Niall Glúndub was killed while fighting against the vikings at the Battle of Kilmashoge.