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Nienburg Abbey

Nienburg Abbey
Kloster Nienburg
Imperial Abbey of the Holy Roman Empire
late 10th century – 1166


Coat of arms

Capital Nienburg Abbey
Government Theocracy
Historical era Middle Ages
 •  Abbey moved from
    Thankmarsfelde

975
 •  Granted immediacy
    by Otto II

late 10th century
 •  Annalista Saxo
    chronicle authored

ca 1150
 •  Annexed by
    Abp Magdeburg
1166
 •  Magdeburg secularised
    to duchy

1680
Preceded by
Succeeded by
Duchy of Saxony
Archbishopric of Magdeburg
Today part of  Germany


Coat of arms

Nienburg Abbey (German: Kloster Nienburg) was a Benedictine monastery in Nienburg in Saxony-Anhalt, Germany.

Nienburg was for centuries on the extreme eastern edge of the settled territory of Germany. With the aim of converting the then Sorbian population of the region to Christianity, the Benedictine abbey that had been founded in 970 in Thankmarsfelde in the Harz Mountains was transferred in 975 to the fortress of Nienburg, originally built by order of Charlemagne. The construction work necessary to convert the building took over 30 years and the newly built abbey church, which is still extant, was eventually dedicated on 8 August 1004 in the presence of Emperor Henry II, who was at the time waging war against the Poles. At the same time the town of Nienburg received the rights of holding a market and of minting coins.

The abbey was declared a Reichskloster by Emperor Otto II and soon became one of the wealthiest monasteries of the region. It owned many estates and villages (including Harzgerode, Niemitsch and Lübben), but they were isolated and scattered between the Harz and the Lausitzer Neisse, and the last threat against the possessions of Nienburg Abbey from rebellious Sorbs was as late as 1115.


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