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Fall of Duchy of Pomerania
state in west-central Europe from 1121 to 1637
- 1637
- Szczecin
- Europe
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state in west-central Europe from 1121 to 1637
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The Duchy of Pomerania (German: Herzogtum Pommern; Polish: Księstwo pomorskie; Latin: Ducatus Pomeraniae) was a duchy in Pomerania on the southern coast of the Baltic Sea, ruled by dukes of the House of Pomerania (Griffins). The country existed as a united duchy between years 1121–1160, 1264–1295, 1478–1531, and 1625–1637.
The duchy originated from the realm of Wartislaw I, a Slavic Pomeranian duke, and was extended by the Lands of Schlawe and Stolp in 1317, the Principality of Rügen in 1325, and the Lauenburg and Bütow Land in 1455. During the High Middle Ages, it also comprised the northern Neumark and Uckermark areas as well as Circipania and Mecklenburg-Strelitz.
The Duchy of Pomerania was established as a vassal state of Poland in 1121, which it remained until the fragmentation of Poland after the death of Polish ruler Bolesław III Wrymouth in 1138. Afterwards the Dukes of Pomerania were independent, and later were vassals of the Duchy of Saxony from 1164 to 1181, of the Holy Roman Empire from 1181 to 1185, of Denmark from 1185 to 1227 and finally, from 1227 on, staying with the Holy Roman Empire (including periods of vassalage to the Margraves of Brandenburg).
Most of the time, the duchy was ruled by several Griffin dukes in common, resulting in various internal partitions. After the last Griffin duke had died during the Thirty Years' War in 1637, the duchy was partitioned between Brandenburg-Prussia and Sweden. The Kings of Sweden and the Margraves of Brandenburg, later Kings of Prussia, became members as Dukes of Pomerania in the Imperial Diet.
The name Pomerania (po more) is of Slavic origin and means “land by the sea”.
In the 12th century, Poland, the Holy Roman Empire's Duchy of Saxony and Denmark variously conquered Pomerania, ending the tribal era.
The Słupsk and Sławno areas were ruled by Ratibor I and his descendants (Ratiboriden branch of the Griffin House of Pomerania) until the Danish occupation and extinction of the Ratiboride branch in 1227.
The areas stretching from Kołobrzeg to Szczecin were ruled by Ratibor's brother Wartislaw I and his descendants (House of Pomerania, also called Griffins, of which he was the first ascertained ancestor) until the 1630s. The terms of surrender after the Polish conquest were that Wartislaw had to accept Polish sovereignty, convert his people to Christianity, and pay an annual tribute to the Polish duke.
In several expeditions mounted between 1102 and 1121, most of Pomerania had been conquered by the Polish duke Bolesław III Wrymouth.
From 1102 to 1109, Boleslaw campaigned in the Noteć and Parsęta area. The Pomeranian residence in Białogard was taken already in 1102. From 1112 to 1116, Boleslaw subdued all of Pomerelia. From 1119 to 1122, the area towards the Oder were subdued. Szczecin was taken in the winter of 1121–1122.
The conquest resulted in a high death toll and devastation of vast areas of Pomerania, and the Pomeranian dukes were forced to become vassals of Boleslaw III, King of Poland.
Poland's influence vanished in the next decade. In 1135, Bolesław had accepted overlordship of Holy Roman Emperor Lothair III and in turn received his Pomeranian gains as well as the still undefeated Principality of Rügen as a fief. Wartislaw I also accepted the Emperor as his overlord. With Bolesław's death in 1138 and the fragmentation of Poland, Polish overlordship ended, triggering competition of the Holy Roman Empire and Denmark for the area.
In the meantime, Wartislaw managed to conquer vast territories west of the Oder river, an area inhabited by Lutici tribes weakened by past warfare, and included these territories into his Duchy of Pomerania. Already in 1120, he had expanded west into the areas near the Oder Lagoon and Peene river. Most notably Demmin, the Principality of Gützkow and Wolgast were conquered in the following years.
The major stage of the westward expansion into Lutici territory occurred between Otto of Bamberg's two missions, 1124 and 1128. In 1128, Demmin, the County of Gützkow and Wolgast were already incorporated into Wartislaw I's realm, yet warfare was still going on. Captured Lutici and other war loot, including livestock, money, and clothes were apportioned among the victorious. After Wartislaw's Lutician conquests, his duchy lay between the Bay of Greifswald to the north, Circipania, including Güstrow (Ostrów), to the west, Kolobrzeg in the east, and possibly as far as the Havel and Spree rivers in the south.
These gains were not subject to Polish over lordship, but were placed under over lordship of Nordmark margrave Albrecht the Bear, who, according to Polish sources, was a dedicated enemy of Slavs, by Lothair III, Holy Roman Emperor. Thus, the western territories contributed to making Wartislaw significantly independent from the Polish dukes. Wartislaw was not the only one campaigning in these areas. The Polish Duke Boleslaw III, during his Pomeranian campaign launched an expedition into the Müritz area in 1120–21, before he turned back to subdue Wartislaw. The later Holy Roman Emperor Lothair III (then Saxon duke Lothair I of Supplinburg) in 1114 initiated massive campaigns against the local Lutici tribes resulting in their final defeat in 1228. Also, the territories were invaded by Danish forces multiple times, who, coming from the Baltic Sea, used the rivers Peene and Uecker to advance to a line Demmin–Pasewalk. At different times, Pomeranians, Saxons and Danes were either allies or opponents. The Pomeranian dukes consolidated their power in the course of the 12th century, yet the preceding warfare had left these territories completely devastated.
A first attempt to convert the Pomeranians was made following the subjugation of Pomerania by Boleslaw III of Poland. In 1122, Spanish monk Bernard (also Bernhard) travelled to Jumne (Wolin), accompanied only by his chaplain and an interpreter. The Pomeranians however were not impressed by his missionary efforts and finally threw him out of town.
Bernard was later made the first bishop of Lubusz in Poland.
After Bernard's misfortune, Boleslaw III asked Otto of Bamberg to convert Pomerania to Christianity, which he accomplished in his first visit in 1124–25. Otto's strategy severely differed from the one Bernard used: While Bernard travelled alone and as a poor and unknown priest, Otto, a wealthy and famous man, was accompanied by 20 clergy of his own diocese, numerous servants, 60 warriors supplied to him by Boleslaw, and carried with him numerous supplies and gifts. After arriving in Pyrzyce, the Pomeranians were assured that Otto's aim was not the gain of wealth at the expense of the Pomeranian people, as he was wealthy already, but only to convert them to Christianity, which would protect the Pomeranians from further punishment by God, as which the devastating Polish conquest was depicted. This approach turned out to be successful, and was backed by parts of the Pomeranian nobility that in part was Christian raised already, like duke Wartislaw I, who encouraged and promoted Otto's mission. Many Pomeranians were baptized already in Pyrzyce and also in the other burghs visited.
Otto of Bamberg returned in 1128, this time invited by duke Wartislaw I himself, aided by the emperor Holy Roman Emperor Lothar II, to convert the (Lutician) Slavs of Western Pomerania just incorporated into the Pomeranian duchy, and to strengthen the Christian faith of the inhabitants of Stettin and Wollin, who fell back into heathen practices and idolatry. Otto this time visited primarily Western Pomeranian burghs, had the temples of Gützkow and Wolgast torn down and on their sites erected the predecessors of today's St Nikolai and St Petri churches, respectively. The nobility assembled to a congress in Usedom, where they accepted Christianity on 10 June 1128. Otto then was titled apostolus gentis Pomeranorum, made a saint by pope Clement III in 1189, and was worshipped in Pomerania even after the Protestant Reformation.
In 1140, one year after Otto of Bamberg's death, a Pomeranian diocese was founded and placed directly under the Holy See. Adalbert of Pomerania, who had participated in Otto's mission as an interpreter and assistant, was made the first bishop. The direct subordination under the pope thwarted the claims of the archbishops of Magdeburg and Gniezno, who both had asserted pressure on Otto of Bamberg to incorporate the new diocese into their realms. The initial see of the Pomeranian diocese was Wolin, and was moved to Grobe Abbey on the island of Usedom and to Kammin (Cammin, now Kamien Pomorski) after 1150 and 1175, respectively. Since 1188, when the pope accepted the move of the see, the bishopric was referred to as Roman Catholic Diocese of Kammin, while before it was addressed as Pomeranian diocese.
In 1248, the Kammin bishops and the Pomeranian dukes had interchanged the terrae Stargard and Kolberg, leaving the bishops in charge of the latter. In the following, the bishops extended their secular reign, which soon comprised the Kolberg (now Kołobrzeg), Köslin (also Cöslin, now Koszalin) and Bublitz (now Bobolice) areas. When in 1276 they became the sovereign of the town of Kolberg also, they moved their residence there, while the administration of the diocese was done from nearby Köslin. The bishops at multiple occasions tried to exclude their secular reign from ducal overlordship by applying for Imperial immediacy (Reichsunmittelbarkeit). The Pomeranian dukes successfully forestalled these ambitions, and immediacy was granted only temporarily in 1345.
In the West, bishops and dukes of the Holy Roman Empire mounted expeditions to Pomerania. Most notable for the further fate of Pomerania are the 1147 Wendish Crusade and the 1164 Battle of Verchen, the Pomeranian dukes became vassals of Henry the Lion, of Saxony. Despite this vassalage, Henry again sieged Demmin in 1177 when he allied with the Danes, but reconciled with the Pomeranian dukes thereafter. In 1181 the dukes took their duchy as a fief from the Holy Roman Emperor Barbarossa. Bogislaw I, Duke of Pomerania had travelled to Barbarossa's camp in Lübeck, where he received the Imperial flag and the title "Duke of Slavinia".
From the North, Denmark attacked Pomerania. Several campaigns throughout the 12th century (in 1136, 1150, 1159 and throughout the 1160s) culminated in the defeat of the Principality of Rugia in 1168. The Rugian princes became vassals of Valdemar I of Denmark. In the fall of 1170, the Danes raided the Oder estuary. In 1171, the Danes raided Circipania and took Cotimar's burgh in Behren-Lübchin. In 1173, the Danes turned to the Oder Lagoon again, taking the burgh of Szczecin. Wartislaw II Swantiboriz, castellan of Stettin, became a Danish vassal. In 1177, the Danes again raided the Oder Lagoon area, also the burgh of Wolgast in 1178. In 1184 and 1185, three campaigns of the Danes resulted in making Bogislaw I, Duke of Pomerania a Danish vassal. These campaigns were mounted by Valdemar's son and successor for the Danish throne, Canute VI of Denmark. In the Duchy of Pomerania the Danish period lasted until Valdemar II of Denmark lost the Battle of Bornhöved on 22 July 1227. Danish supremacy prevailed until 1325 in the Rugian principality.
At that time, the duchy was also referred to as Slavinia (German: Slawien), a term also applied to several Wendish areas such as Mecklenburg and the Principality of Rügen.
Starting in the 12th century, Pomerania was settled with Germans in a process termed Ostsiedlung, that affected all medieval East Central and Eastern Europe. Except for the Pomerelian Kashubians and the Slovincians, the Wends were assimilated. Most towns and villages date back to this period.
Before the Ostsiedlung, Pomerania was rather sparsely settled. Around 1200, a relatively dense population could be found on the islands of Rügen, Usedom and Wolin, around the burghs of Szczecin, Koszalin, Pyrzyce and Stargard, around the Parsęta river (Kołobrzeg area), the lower Peene river, and between Sławno and the Leba valley. Largely unsettled were the hilly regions and the woods in the South. The 12th century warfare, especially the Danish raids, depopulated many areas of Pomerania and caused severe population drops in others (e.g. Usedom). At the turn to the 13th century, only isolated German settlements existed, e.g. Hohenkrug (Struga) and other German villages, and the merchant's settlement near the Szczecin burgh. In contrast, the monasteries were almost exclusively run by Germans and Danes.
Massive German settlement started in the first half of the 13th century. Ostsiedlung was a common process at this time in all Central Europe and was largely run by the nobles and monasteries to increase their income. Also, the settlers were expected to finish and secure the conversion of the non-nobles to Christianity. In addition, the Danes withdrew from most of Pomerania in 1227, leaving the duchy vulnerable to their expansive neighbors, especially Mecklenburg, Brandenburg, and Henry I of Silesia.
Text from the Wikipedia article “Duchy of Pomerania”, available under CC BY-SA 4.0.