890

By place

Europe

• The Frankish nobles, who have ruled Provence in anarchy, declare Louis the Blind ruler of Lower Burgundy, at an assembly at Valence.
• The sovereignty of Svatopluk I, ruler of Moravia, is confirmed in Bohemia. Lusatia becomes a part of his kingdom.

  Britain

• King Alfred the Great begins to commission and undertake a series of translations into Old English, beginning with his own version of Pope Gregory the Great's Pastoral Care.
• Lord Æthelred II and Lady Æthelflæd of the Mercians found the Priory of St. Oswald in Gloucester.
• Ohthere of Hålogaland, a Norse Viking seafarer, narrates the story of his travels to Alfred the Great, who arranges for it to be written down.
• King Anarawd ap Rhodri of Gwynedd makes the first ceremonial visit to an English court.
• King Donald II of Scotland expels the British aristocracy of Strathclyde. They flee south to North Wales.
• The town of Kirby Muxloe is founded in England.