Founded by Charlemagne in 805 as Magadoburg (probably from Old High German magado for big, mighty and burga for fortress'), the town was fortified in 919 by King Henry I the Fowler against the Magyars and Slavs. In 929 the city went to Edward the Elder's daughter Edith, through her marriage to Henry's son Otto I, as a Morgengabe � a Germanic customary gift received by the new bride from the groom and his family after the wedding night. Edith loved the town and often lived there; at her death she was buried in the crypt of the Benedictine abbey of Saint Maurice, later rebuilt as the cathedral. In 937, Magdeburg was the seat of a royal assembly. Otto I also continually returned to it and was also buried in the cathedral. He granted the abbey the right to income from various tithes and to corv�e labour from the surrounding countryside.
The Archbishopric of Magdeburg was founded in 968 at the synod of Ravenna; Adalbert of Magdeburg was consecrated as its first archbishop. The archbishopric under Tilly included the bishoprics of Havelberg, Brandenburg, Merseburg, Meissen, and Zeitz-Naumburg. The archbishops played a prominent role in the German colonisation of the Slavic lands east of the Elbe river.
In 1035 Magdeburg received a patent giving the city the right to hold trade exhibitions and conventions, which form the basis of the later family of city laws known as the Magdeburg rights. These laws were adopted and modified throughout Central and Eastern Europe. Visitors from many countries began to trade with Magdeburg.
In the 13th century, Magdeburg became a member of the Hanseatic League. With more than 20,000 inhabitants Magdeburg was one of the largest cities in the Holy Roman Empire. The town had an active maritime commerce on the west (towards Flanders), with the countries of the North Sea, and maintained traffic and communication with the interior (for example Brunswick). The citizens constantly struggled against the archbishop, becoming
