Stephen I becomes the first Christian king of Hungary, marking the establishment of the Kingdom of Hungary.
Approximate date.
The Althing decides that Iceland will officially adopt Christianity while tolerating some private pagan practice.
Grand Prince Vladimir I of Kiev is baptized and makes Byzantine Orthodox Christianity the religion of the Rus'.
Hugh Capet is elected King of the Franks, founding the Capetian dynasty whose branches ruled France for centuries.
Pope John XII crowns Otto I emperor in Rome, commonly regarded as the beginning of the Holy Roman Empire.
King Otto I of Germany defeats the Magyars near Augsburg, ending Hungarian raids into Western Europe.
Papal legates lay a bull of excommunication on the altar of Hagia Sophia, marking the split between Roman Catholic and Eastern Orthodox churches.