Adaldag (c. 90028 April 988; also Adelgis, Adelger, and Adalgag) was the seventh archbishop of Hamburg-Bremen, from 937 until his death. He was of noble birth, a relation and pupil of Adalward,

Bishop of Verden This is a list of bishops, prince-bishops, and administrators of Verden. The Catholic Diocese of Verden (german: link=no, Bistum Verden), was a suffragan of the Archdiocese of Mainz. From the 12th century, the Bishop of Verden was also, '' ex off ...

, and became canon of

Hildesheim Hildesheim (; nds, Hilmessen, Hilmssen; la, Hildesia) is a city in Lower Saxony, Germany with 101,693 inhabitants. It is in the district of Hildesheim, about southeast of Hanover on the banks of the Innerste River, a small tributary of the ...

Otto I Otto I (23 November 912 – 7 May 973), traditionally known as Otto the Great (german: Otto der Große, it, Ottone il Grande), was East Frankish king from 936 and Holy Roman Emperor from 962 until his death in 973. He was the oldest son of Henr ...

made him his

chancellor Chancellor ( la, cancellarius) is a title of various official positions in the governments of many nations. The original chancellors were the of Roman courts of justice—ushers, who sat at the or lattice work screens of a basilica or law cou ...

and notary immediately after his accession, and on the death of Archbishop Unni in 936 nominated him to the vacant see. None of the early incumbents of the see ruled for so long, and none did so much for the diocese, though his success was partly the fruit of his predecessors’ labors and of peculiarly favorable circumstances. Under Adaldag the metropolitan see obtained its first suffragans, by the erection of the bishoprics of

Ribe Ribe () is a town in south-west Jutland, Denmark, with a population of 8,257 (2022). It is the seat of the Diocese of Ribe covering southwestern Jutland. Until 1 January 2007, Ribe was the seat of both a surrounding municipality and county. It i ...

Schleswig The Duchy of Schleswig ( da, Hertugdømmet Slesvig; german: Herzogtum Schleswig; nds, Hartogdom Sleswig; frr, Härtochduum Slaswik) was a duchy in Southern Jutland () covering the area between about 60 km (35 miles) north and 70 km ...

, and

Århus Aarhus (, , ; officially spelled Århus from 1948 until 1 January 2011) is the second-largest city in Denmark and the seat of Aarhus Municipality. It is located on the eastern shore of Jutland in the Kattegat sea and approximately north ...

; and that of the Slavic territories of Aldenburg (today's

Oldenburg in Holstein Oldenburg in Holstein () is a town at the southwestern shore of the Baltic Sea. The nearest city is Lübeck. The town belongs to the (historical) region of Holstein, today in the state Schleswig-Holstein of Germany. Oldenburg was the chief tow ...

) was also placed under

Hamburg Hamburg (, ; nds, label=Hamburg German, Low Saxon, Hamborg ), officially the Free and Hanseatic City of Hamburg (german: Freie und Hansestadt Hamburg; nds, label=Low Saxon, Friee un Hansestadt Hamborg),. is the List of cities in Germany by popul ...

. Not to be confused with Oldenburg in Oldenburg, which had formerly belonged to the

diocese of Verden The Diocese of Verden was a diocese of the Catholic Church. It was founded around AD 768 as a suffragan of the Archdiocese of Mainz. It was suppressed in 1648 as part of the Peace of Westphalia. The diocese was centered on the city of Verden an de ...

. He resisted successfully a renewal of the efforts of

Cologne Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western state of North Rhine-Westphalia (NRW) and the fourth-most populous city of Germany with 1.1 million inhabitants in the city proper and 3.6 millio ...

to claim jurisdiction over

Bremen Bremen (Low German also: ''Breem'' or ''Bräm''), officially the City Municipality of Bremen (german: Stadtgemeinde Bremen, ), is the capital of the Germany, German States of Germany, state Bremen (state), Free Hanseatic City of Bremen (''Freie H ...

. He gained many privileges for his see, in jurisdiction, possession of land, and market rights, by his close relations with the emperors, especially Otto I. He accompanied the latter on his journey to

Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus ( legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...

, and remained with him from 961 to 965, and is mentioned as the emperor's chief counselor at the time of his coronation in Rome. Otto placed the deposed pope Benedict V in his custody. After Adaldag's return to Hamburg, he still maintained these relations, and his privileges were confirmed by

Otto II Otto II (955 – 7 December 983), called the Red (''der Rote''), was Holy Roman Emperor from 973 until his death in 983. A member of the Ottonian dynasty, Otto II was the youngest and sole surviving son of Otto the Great and Adelaide of Ital ...

and by the regency of

Otto III Otto III (June/July 980 – 23 January 1002) was Holy Roman Emperor from 996 until his death in 1002. A member of the Ottonian dynasty, Otto III was the only son of the Emperor Otto II and his wife Theophanu. Otto III was crowned as King ...

. The later years of his life were troubled by inroads of the

Danes Danes ( da, danskere, ) are a North Germanic ethnic group and nationality native to Denmark and a modern nation identified with the country of Denmark. This connection may be ancestral, legal, historical, or cultural. Danes generally regard ...

and Slavonians on the north, and he may have witnessed the sack of Hamburg by the latter under Mistiwoi.

References

External links

mittelalter-genealogie.de
{{DEFAULTSORT:Adaldag 900s births 988 deaths 10th-century archbishops Archbishops of Hamburg-Bremen Bishops of Schleswig