Fall – Hugh of Provence makes a truce with the Moors of Fraxinet, after hearing the news that a Swabian army is about to descend on Italy. He allows the Moors to attack the Alpine passes for his own political ends in his struggle with Berengar of Ivrea.[2] The Byzantines cry foul and end their alliance with Hugh.
December 17–William I ("Longsword"), duke of Normandy, is ambushed and assassinated by supporters of Arnulf I ("the Great"), count of Flanders, while the two are at a peace conference at Picquigny (on an island on the Somme) to settle their differences.[3] William is succeeded by his 9-year-old son Richard.
Winter – The Hungarians raid Friuli and descend into central Italy. Hugh of Provence grants them a large sum of tribute if they return to the Gothic March or Spain. The Hungarians refuse the offer and raid the countryside of Lazio, destroying the region of Sabina.
Idwal Foel, king of Gwynedd, openly rebels against the overlordship of Edmund I. He and Llywelyn ap Merfyn, king of Pows, are killed fighting the English forces.
Hywel Dda, king of Deheubarth, annexes Gwynedd and Powys, to become the sole ruler of most of Wales.
Fall – Pope Stephen VIII tries to negotiate a peace that will end the feud between Alberic II, de facto ruler of Rome, and Hugh of Provence (his stepfather) but he dies after a 3-year reign. Stephen is succeeded by Marinus II as the 128th pope of the Catholic Church.
