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The Duchy of Prussia (german: Herzogtum Preußen, pl, Księstwo Pruskie, lt, Prūsijos kunigaikštystė) or Ducal Prussia (german: Herzogliches Preußen, link=no; pl, Prusy Książęce, link=no) was a duchy in the region of Prussia established as a result of secularization of the Monastic Prussia, the territory that remained under the control of the
State of the Teutonic Order The State of the Teutonic Order (german: Staat des Deutschen Ordens, ; la, Civitas Ordinis Theutonici; lt, Vokiečių ordino valstybė; pl, Państwo zakonu krzyżackiego), also called () or (), was a medieval Crusader state, located in Cent ...
until the
Protestant Reformation The Reformation (alternatively named the Protestant Reformation or the European Reformation) was a major movement within Western Christianity in 16th-century Europe that posed a religious and political challenge to the Catholic Church and in ...
in 1525.


Overview

The duchy became the first
Protestant Protestantism is a Christian denomination, branch of Christianity that follows the theological tenets of the Reformation, Protestant Reformation, a movement that began seeking to reform the Catholic Church from within in the 16th century agai ...
state when Albert, Duke of Prussia formally adopted
Lutheranism Lutheranism is one of the largest branches of Protestantism, identifying primarily with the theology of Martin Luther, the 16th-century German monk and Protestant Reformers, reformer whose efforts to reform the theology and practice of the Cathol ...
in 1525. It was inhabited by a German, Polish (mainly in Masuria), and Lithuanian-speaking (mainly in
Lithuania Minor Lithuania Minor ( lt, Mažoji Lietuva; german: Kleinlitauen; pl, Litwa Mniejsza; russian: Ма́лая Литва́), or Prussian Lithuania ( lt, Prūsų Lietuva; german: Preußisch-Litauen, pl, Litwa Pruska), is a historical ethnography, et ...
) population. In 1525, during the
Protestant Reformation The Reformation (alternatively named the Protestant Reformation or the European Reformation) was a major movement within Western Christianity in 16th-century Europe that posed a religious and political challenge to the Catholic Church and in ...
, in accordance to the Treaty of Kraków, the Grand Master of the Teutonic Knights, Albert,
secularized In sociology, secularization (or secularisation) is the transformation of a society from close identification with religious values and institutions toward non-religious values and secular institutions. The ''secularization thesis'' expresses the ...
the order's prevailing Prussian territory (the Monastic Prussia), becoming Albert, Duke of Prussia. As the region had been a part of the Kingdom of Poland since the Second Peace of Thorn (1466), King of Poland
Sigismund I the Old Sigismund I the Old ( pl, Zygmunt I Stary, lt, Žygimantas II Senasis; 1 January 1467 – 1 April 1548) was King of Poland and Grand Duke of Lithuania from 1506 until his death in 1548. Sigismund I was a member of the Jagiellonian dynasty, the ...
, as its suzerain, granted the territory as a hereditary
fief A fief (; la, feudum) was a central element in medieval contracts based on feudal law. It consisted of a form of property holding or other rights granted by an overlord to a vassal, who held it in fealty or "in fee" in return for a form of f ...
of Poland to Duke Albert per the Treaty of Kraków, a decision that was sealed by the Prussian Homage in
Kraków Kraków (), or Cracow, is the second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser Poland Voivodeship, the city dates back to the seventh century. Kraków was the official capital of Poland until 159 ...
in April 1525. The new duke established Lutheranism as the first Protestant
state church A state religion (also called religious state or official religion) is a religion or creed officially endorsed by a sovereign state. A state with an official religion (also known as confessional state), while not secular, is not necessarily a ...
. The capital remained in
Königsberg Königsberg (, ) was the historic Prussian city that is now Kaliningrad, Russia. Königsberg was founded in 1255 on the site of the ancient Old Prussian settlement ''Twangste'' by the Teutonic Knights during the Northern Crusades, and was na ...
(modern
Kaliningrad Kaliningrad ( ; rus, Калининград, p=kəlʲɪnʲɪnˈɡrat, links=y), until 1946 known as Königsberg (; rus, Кёнигсберг, Kyonigsberg, ˈkʲɵnʲɪɡzbɛrk; rus, Короле́вец, Korolevets), is the largest city and ...
). The duchy was inherited by the Hohenzollern
prince-elector The prince-electors (german: Kurfürst pl. , cz, Kurfiřt, la, Princeps Elector), or electors for short, were the members of the electoral college that elected the Holy Roman Emperor, emperor of the Holy Roman Empire. From the 13th century ...
s of
Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 square ...
in 1618. This
personal union A personal union is the combination of two or more State (polity), states that have the same monarch while their boundaries, laws, and interests remain distinct. A real union, by contrast, would involve the constituent states being to some e ...
is referred to as Brandenburg-Prussia. Frederick William, the "Great Elector" of Brandenburg, achieved full sovereignty over the duchy under the 1657 Treaty of Wehlau, confirmed in the 1660 Treaty of Oliva. In the following years, attempts were made to return to Polish suzerainty, especially by the capital city of Königsberg, whose burghers rejected the treaties and viewed the region as part of Poland. The Duchy of Prussia was elevated to a kingdom in 1701.


History


Background

As
Protestantism Protestantism is a Christian denomination, branch of Christianity that follows the theological tenets of the Reformation, Protestant Reformation, a movement that began seeking to reform the Catholic Church from within in the 16th century agai ...
spread among the laity of the Teutonic Monastic State of Prussia, dissent began to develop against the
Roman Catholic Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of ancient Rome *''Epistle to the Romans'', shortened to ''Romans'', a letter ...
rule of the Teutonic Knights, whose Grand Master, Albert, Duke of Prussia, a member of a
cadet branch In history and heraldry, a cadet branch consists of the male-line descendants of a monarch's or patriarch's younger sons ( cadets). In the ruling dynasties and noble families of much of Europe and Asia, the family's major assets—realm, ti ...
of the
House of Hohenzollern The House of Hohenzollern (, also , german: Haus Hohenzollern, , ro, Casa de Hohenzollern) is a German royal (and from 1871 to 1918, imperial) dynasty whose members were variously princes, electors, kings and emperors of Hohenzollern, Brandenb ...
, lacked the military resources to assert the order's authority. After losing a war against the Kingdom of Poland, and with his personal bishop, Georg von Polenz of Pomesania and of Samland, who had converted to Lutheranism in 1523,Albertas Juška, ''Mažosios Lietuvos Bažnyčia XVI-XX amžiuje'', Klaipėda: 1997, pp. 742–771, hereafter the German translatio
''Die Kirche in Klein Litauen''
(section: 2. Reformatorische Anfänge; ) on
''Lietuvos Evangelikų Liuteronų Bažnyčia''
retrieved on 28 August 2011.
and a number of his commanders already supporting Protestant ideas, Albert began to consider a radical solution. At
Wittenberg Wittenberg ( , ; Low Saxon: ''Wittenbarg''; meaning ''White Mountain''; officially Lutherstadt Wittenberg (''Luther City Wittenberg'')), is the fourth largest town in Saxony-Anhalt, Germany. Wittenberg is situated on the River Elbe, north of ...
in 1522, and at
Nuremberg Nuremberg ( ; german: link=no, Nürnberg ; in the local East Franconian dialect: ''Nämberch'' ) is the second-largest city of the German state of Bavaria after its capital Munich, and its 518,370 (2019) inhabitants make it the 14th-largest ...
in 1524,
Martin Luther Martin Luther (; ; 10 November 1483 – 18 February 1546) was a German priest, theologian, author, hymnwriter, and professor, and Augustinian friar. He is the seminal figure of the Protestant Reformation and the namesake of Luther ...
encouraged him to convert the order's territory into a secular principality under his personal rule, as the Teutonic Knights would not be able to survive the
reformation The Reformation (alternatively named the Protestant Reformation or the European Reformation) was a major movement within Western Christianity in 16th-century Europe that posed a religious and political challenge to the Catholic Church and i ...
. Christiansen, Eric. ''The Northern Crusades''. Penguin Books. London, 1997.


Establishment

On 10 April 1525 Albert resigned his position, became a Protestant, and in the Prussian Homage was granted the title "Duke of Prussia" by his uncle, King Sigismund I of Poland. In a deal partly brokered by Luther, Ducal Prussia became the first Protestant state, anticipating the dispensations of the Peace of Augsburg of 1555. When Albert returned to Königsberg, he publicly declared his conversion and announced to a quorum of Teutonic Knights his new ducal status. The knights who disapproved of the decision were pressured into acceptance by Albert's supporters and the burghers of Königsberg, and only Eric of Brunswick-Wolfenbüttel, Komtur of Memel, opposed the new duke. On 10 December 1525, at their session in Königsberg, the Prussian estates established the
Lutheran Lutheranism is one of the largest branches of Protestantism, identifying primarily with the theology of Martin Luther, the 16th-century German monk and Protestant Reformers, reformer whose efforts to reform the theology and practice of the Cathol ...
Church in Ducal Prussia by deciding the Church Order. By the end of Albert's rule, the offices of Grand Commander and Marshal of the Order had deliberately been left vacant while the order was left with but 55 knights in Prussia. Some of the knights converted to Lutheranism in order to retain their property and then married into the Prussian nobility, while others returned to the
Holy Roman Empire The Holy Roman Empire was a political entity in Western, Central, and Southern Europe that developed during the Early Middle Ages and continued until its dissolution in 1806 during the Napoleonic Wars. From the accession of Otto I in 962 ...
, and remained
Catholic The Catholic Church, also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.3 billion baptized Catholics Catholic Church by country, worldwide . It is am ...
.
Seward, Desmond Desmond Eric Christopher Seward (22 May 1935 – 3 April 2022) was an Anglo-Irish popular historian and the author of many books, including biographies of Henry IV of France, Eleanor of Aquitaine, Marie Antoinette, Empress Eugénie and Napoleo ...
. ''The Monks of War: The Military Religious Orders''. Penguin Books. London, 1995.
These remaining Teutonic Knights, led by the next Grand Master, Walter von Cronberg, continued to unsuccessfully claim Prussia, but retained much of the estates in the Teutonic bailiwicks outside of Prussia. On 1 March 1526, Albert married Princess Dorothea, daughter of King Frederick I of Denmark, thereby establishing political ties between Lutheranism and
Scandinavia Scandinavia; Sámi languages: /. ( ) is a subregion in Northern Europe, with strong historical, cultural, and linguistic ties between its constituent peoples. In English usage, ''Scandinavia'' most commonly refers to Denmark, Norway, and Swe ...
. Albert was greatly aided by his elder brother George, Margrave of Brandenburg-Ansbach, who had earlier established the Protestant religion in his territories of
Franconia Franconia (german: Franken, ; Franconian dialect: ''Franggn'' ; bar, Frankn) is a region of Germany, characterised by its culture and Franconian dialect (German: ''Fränkisch''). The three administrative regions of Lower, Middle and Upper F ...
and
Upper Silesia Upper Silesia ( pl, Górny Śląsk; szl, Gůrny Ślůnsk, Gōrny Ślōnsk; cs, Horní Slezsko; german: Oberschlesien; Silesian German: ; la, Silesia Superior) is the southeastern part of the historical and geographical region of Silesia, locate ...
. Albert also found himself reliant on support from his uncle Sigismund I of catholic Poland, as the
Holy Roman Empire The Holy Roman Empire was a political entity in Western, Central, and Southern Europe that developed during the Early Middle Ages and continued until its dissolution in 1806 during the Napoleonic Wars. From the accession of Otto I in 962 ...
, and the
Roman Catholic Church The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
, had banned him for his Protestantism. The Teutonic Order had only superficially carried out its mission to Christianize the native rural population and had erected few churches within the state's territory. There was little longing for
Roman Catholicism The Catholic Church, also known as the Roman Catholic Church, is the largest Christian church, with 1.3 billion baptized Catholics worldwide . It is among the world's oldest and largest international institutions, and has played a ...
. Baltic Old Prussians and
Prussian Lithuanian The Prussian Lithuanians, or Lietuvininkai (singular: ''Lietuvininkas'', plural: ''Lietuvininkai''), are Lithuanians, originally Lithuanian language speakers, who formerly inhabited a territory in northeastern East Prussia called Prussian Lithuan ...
peasants continued to practice pagan customs in some areas, for example, adhering to beliefs in Perkūnas (Perkunos), symbolized by the goat buck,
Potrimpo Potrimpo (also ''Potrimpus'', ''Autrimpo'', ''Natrimpe'') was a god of seas, earth, grain, and crops in the pagan Baltic, and Prussian mythology. He was one of the three main gods worshiped by the Old Prussians. Most of what is known about this go ...
, and Pikullos (Patollu) while "consuming the roasted flesh of a goat". Kirby, David. ''Northern Europe in the Early Modern Period: The Baltic World, 1492–1772''. Longman. London, 1990. Bishop George of Polentz had forbidden the widespread forms of pagan worship in 1524, and repeated the ban in 1540. On 18 January 1524 Bishop George had ordered the use of native languages at baptisms, which improved the acceptance of baptism by the peasants. There was little active resistance to the new Protestant religion. The fact that the Teutonic Knights had brought Catholicism and Protestantism made the transition easier. Koch, H.W. ''A History of Prussia''. Barnes & Noble Books. New York, 1978. The Church Order of 1525 provided for visitations of the parishioners and pastors, first carried out by Bishop George in 1538. Because Ducal Prussia was ostensibly a
Lutheran Lutheranism is one of the largest branches of Protestantism, identifying primarily with the theology of Martin Luther, the 16th-century German monk and Protestant Reformers, reformer whose efforts to reform the theology and practice of the Cathol ...
land, authorities traveled throughout the duchy ensuring that Lutheran teachings were being followed and imposing penalties on pagans and dissidents. The rural population of native descent was only thoroughly christianised starting with the Reformation in Prussia. A peasant rebellion broke out in Sambia in 1525. The combination of taxation by the nobility, the contentions of the
Protestant Reformation The Reformation (alternatively named the Protestant Reformation or the European Reformation) was a major movement within Western Christianity in 16th-century Europe that posed a religious and political challenge to the Catholic Church and in ...
, and the abrupt secularization of the Teutonic Order's remaining Prussian lands exacerbated peasant unrest. The relatively well-to-do rebel leaders, including a miller from Kaimen and an innkeeper from Schaaken in Prussia, were supported by sympathizers in Königsberg. The rebels demanded the elimination of newer taxes by the nobility and a return to an older tax of two marks for every hide a measure of land of approximately forty acres. They claimed to be rebelling against the harsh nobility, not against Duke Albert, who was away in the Holy Roman Empire, but they would only swear allegiance to him in person. Upon Albert's return from the Empire, he called for a meeting of the peasants in a field, whereupon he surrounded them with loyal troops and had them arrested without incident. The leaders of the rebellion were subsequently executed. There were no more large-scale rebellions. Ducal Prussia became known as a land of Protestantism and sectarianism. In 1544 Duke Albert founded the Albertina University in Königsberg, which became the principal educational establishment for Lutheran pastors and theologians of Prussia. In 1560, the university received a royal
privilege Privilege may refer to: Arts and entertainment * ''Privilege'' (film), a 1967 film directed by Peter Watkins * ''Privilege'' (Ivor Cutler album), 1983 * ''Privilege'' (Television Personalities album), 1990 * ''Privilege (Abridged)'', an alb ...
from King
Sigismund II Augustus Sigismund II Augustus ( pl, Zygmunt II August, lt, Žygimantas Augustas; 1 August 1520 – 7 July 1572) was King of Poland and Grand Duke of Lithuania, the son of Sigismund I the Old, whom Sigismund II succeeded in 1548. He was the first rule ...
of Poland. It was granted the same rights and autonomy those enjoyed by the
Kraków University The Jagiellonian University ( Polish: ''Uniwersytet Jagielloński'', UJ) is a public research university in Kraków, Poland. Founded in 1364 by King Casimir III the Great, it is the oldest university in Poland and the 13th oldest university i ...
, thus it became one of the leading universities in the
Polish–Lithuanian Commonwealth The Polish–Lithuanian Commonwealth, formally known as the Kingdom of Poland and the Grand Duchy of Lithuania, and, after 1791, as the Commonwealth of Poland, was a bi- confederal state, sometimes called a federation, of Poland and Lithuania ...
. The use of the native languages in church services made Duke Albert appoint exiled Protestant Lithuanian pastors as professors, e.g.
Stanislovas Rapolionis Stanislovas Svetkus Rapolionis ( la, Stanislaus Rapagel(l)anus, Stanislaus Lituanus, pl, Stanisław Rafajłowicz; – May 13, 1545) was a Lutheran activist and Protestant reformer from the Grand Duchy of Lithuania. With patronage of Albert, Duke ...
and Abraomas Kulvietis, making the Albertina also a centre of Lithuanian language and literature.Albertas Juška, ''Mažosios Lietuvos Bažnyčia XVI-XX amžiuje'', Klaipėda: 1997, pp. 742–771, here after the German translatio
''Die Kirche in Klein Litauen''
(section: 5. Die Pfarrer und ihre Ausbildung; ) on
''Lietuvos Evangelikų Liuteronų Bažnyčia''
retrieved on 28 August 2011.
While the composition of the nobility changed little in the transition from the monastic state to the duchy, the control of the nobility over the dependent peasantry increased. Prussia's free peasants, called Kölmer were holders of free estates according to
Culm law Kulm law, Culm law or Chełmno Law (german: Kulmer Recht; lat, Jus Culmense vetus; pl, Prawo chełmińskie) was a legal constitution for a municipal form of government used in several Central European cities during the Middle Ages. It was initia ...
). These Kölmer held with about a sixth of the arable land, a considerable share as compared with other nations in the feudal era. Administratively, little changed in the transition from the Teutonic Knights to ducal rule. Although he was formally a vassal of the crown of Poland, Albert retained self-government for Prussia, his own army, the minting of his currency, a
provincial assembly Provincial may refer to: Government & Administration * Provincial capitals, an administrative sub-national capital of a country * Provincial city (disambiguation) * Provincial minister (disambiguation) * Provincial Secretary, a position in Ca ...
, (de, '' Landtag''), and had substantial autonomy in foreign affairs. Urban, William. ''The Teutonic Knights: A Military History''. Greenhill Books. London, 2003.


Lack of heirs

When Albert died in 1568, his teenage son (exact age is unknown) Albert Frederick inherited the duchy. Sigismund II was also Albert Frederick's cousin. The Elector of Brandenburg
Joachim II Joachim II may refer to: * Joachim II Hector, Elector of Brandenburg (1505–1571) * Patriarch Joachim II of Constantinople Joachim II (1802 – 5 August 1878) was Ecumenical Patriarch of Constantinople The ecumenical patriarch ( el, Ο� ...
, converted to Lutheranism in 1539. Joachim wanted to merge his lands with the Prussian dukedom, so his heirs would inherit both. Joachim petitioned his brother-in-law, king Sigismund II of Poland the co-enfeoffment of his line of the Hohenzollern with the Prussian dukedom, and finally succeeded, including the then usual expenses. On 19 July 1569, when, in
Lublin Lublin is the ninth-largest city in Poland and the second-largest city of historical Lesser Poland. It is the capital and the center of Lublin Voivodeship with a population of 336,339 (December 2021). Lublin is the largest Polish city east of ...
, Poland, duke Albert Frederick rendered King Sigismund II homage and was in return installed as Duke of Prussia in
Lublin Lublin is the ninth-largest city in Poland and the second-largest city of historical Lesser Poland. It is the capital and the center of Lublin Voivodeship with a population of 336,339 (December 2021). Lublin is the largest Polish city east of ...
, the King simultaneously enfeoffed Joachim II and his descendants as co-heirs. Administration in the duchy declined as Albert Frederick became increasingly feeble-minded, leading Margrave George Frederick of Brandenburg-Ansbach to become
Regent A regent (from Latin : ruling, governing) is a person appointed to govern a state ''pro tempore'' (Latin: 'for the time being') because the monarch is a minor, absent, incapacitated or unable to discharge the powers and duties of the monarchy, ...
of Prussia in 1577. Following King Sigismund III's Prussian regency contract (1605) with Joachim Frederick of Brandenburg and his Treaty of Warsaw, 1611, with John Sigismund of Brandenburg, confirming the Brandenburgian co-inheritance of Prussia, these two regents guaranteed the free practice of Catholic religion in predominantly Lutheran Prussia. Based on these contracts some Lutheran churches were reconsecrated as Catholic places of worship (e.g. St. Nicholas Church,
Elbląg Elbląg (; german: Elbing, Old Prussian: ''Elbings'') is a city in the Warmian-Masurian Voivodeship, Poland, located in the eastern edge of the Żuławy region with 117,390 inhabitants, as of December 2021. It is the capital of Elbląg County. ...
in 1612).


Personal union with Brandenburg

In 1618, the Prussian Hohenzollern became extinct in the male line, and so the Polish fief of Prussia was passed on to the senior Brandenburg Hohenzollern line, the ruling
margrave Margrave was originally the medieval title for the military commander assigned to maintain the defence of one of the border provinces of the Holy Roman Empire or of a kingdom. That position became hereditary in certain feudal families in the E ...
s and
prince-elector The prince-electors (german: Kurfürst pl. , cz, Kurfiřt, la, Princeps Elector), or electors for short, were the members of the electoral college that elected the Holy Roman Emperor, emperor of the Holy Roman Empire. From the 13th century ...
s of
Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 square ...
, who thereafter ruled Brandenburg (a fief of the
Holy Roman Empire The Holy Roman Empire was a political entity in Western, Central, and Southern Europe that developed during the Early Middle Ages and continued until its dissolution in 1806 during the Napoleonic Wars. From the accession of Otto I in 962 ...
), and Ducal Prussia (a Polish fief), in
personal union A personal union is the combination of two or more State (polity), states that have the same monarch while their boundaries, laws, and interests remain distinct. A real union, by contrast, would involve the constituent states being to some e ...
. This legal contradiction made a cross-border
real union Real union is a union of two or more states, which share some state institutions in contrast to personal unions; however, they are not as unified as states in a political union. It is a development from personal union and has historically be ...
impossible; however, in practice, Brandenburg and Ducal Prussia were more and more ruled as one, and colloquially referred to as '' Brandenburg-Prussia''. In 1618, the
Thirty Years' War The Thirty Years' War was one of the longest and most destructive conflicts in European history, lasting from 1618 to 1648. Fought primarily in Central Europe, an estimated 4.5 to 8 million soldiers and civilians died as a result of battl ...
broke out, and John Sigismund himself died the following year. His son, George William, was successfully invested with the duchy in 1623 by King of Poland
Sigismund III Vasa Sigismund III Vasa ( pl, Zygmunt III Waza, lt, Žygimantas Vaza; 20 June 1566 – 30 April 1632 Adoption of the Gregorian calendar, N.S.) was King of Poland and Grand Duke of Lithuania from 1587 to 1632 and, as Sigismund, King of Sweden and ...
, thus the personal union Brandenburg-Prussia was confirmed. Many of the Prussian Junkers were opposed to rule by the
House of Hohenzollern The House of Hohenzollern (, also , german: Haus Hohenzollern, , ro, Casa de Hohenzollern) is a German royal (and from 1871 to 1918, imperial) dynasty whose members were variously princes, electors, kings and emperors of Hohenzollern, Brandenb ...
of
Berlin Berlin is Capital of Germany, the capital and largest city of Germany, both by area and List of cities in Germany by population, by population. Its more than 3.85 million inhabitants make it the European Union's List of cities in the European U ...
and appealed to Sigismund III Vasa for redress, or even incorporation of Ducal Prussia into the Polish kingdom, but without success. Eulenberg, Herbert. ''The Hohenzollerns''. Translated by M.M. Bozman. The Century Co. New York, 1929. Due to the Polish–Swedish War, in 1635 the duchy was administered by Polish statesman Jerzy Ossoliński, appointed by Polish King Władysław IV Vasa. Frederick William the "Great Elector", duke of Prussia and prince-elector of Brandenburg, wished to acquire Royal Prussia in order to territorially connect his two fiefs. Yet, during the
Second Northern War The Second Northern War (1655–60), (also First or Little Northern War) was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth (1655–60), the Tsardom of Russia ( 1656–58), Brandenburg-Prussia (1657–60), th ...
,
Charles X Gustav of Sweden Charles X Gustav, also Carl Gustav ( sv, Karl X Gustav; 8 November 1622 – 13 February 1660), was King of Sweden from 1654 until his death. He was the son of John Casimir, Count Palatine of Zweibrücken-Kleeburg and Catherine of Sweden. Afte ...
invaded Ducal Prussia and dictated the Treaty of Königsberg (January 1656), which made the duchy a Swedish fief. In the subsequent
Treaty of Marienburg __NOTOC__ The treaty of Marienburg, concluded on 29 June 1656, was a Brandenburg-Prussian – Swedish alliance during the Second Northern War.Frost (2000), p. 173 In January 1656, Charles X Gustav of Sweden had made Frederick William I, Elector ...
(June 1656), Charles X Gustav promised to cede to Frederick William the Polish voivodships of Chełmno, Malbork,
Pomerania Pomerania ( pl, Pomorze; german: Pommern; Kashubian: ''Pòmòrskô''; sv, Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to t ...
, and the Prince-Bishopric of Warmia, if Frederick William would support Charles Gustav's effort. The proposition was somewhat risky, since Frederick William would definitely have to provide military support, while the reward could only be provided conditional on victory. When the tide of the war turned against Charles X Gustav, he concluded the Treaty of Labiau (November 1656), making Frederick William I the full sovereign in Ducal Prussia and Warmia, which, however, was part of Poland.


Emancipation

In response to the Swedish-Prussian alliance, King John II Casimir of Poland submitted a counter-offer which Frederick William accepted. They signed the Treaty of Wehlau on 19 September 1657 and the Treaty of Bromberg on 6 November 1657. In return for Frederick William's renunciation of the Swedish-Prussian alliance, John Casimir recognised Frederick William's full sovereignty over the Duchy of Prussia. After almost 200 years of Polish suzerainty over the Teutonic Monastic State of Prussia and its successor Ducal Prussia, the territory passed under the full sovereignty of Brandenburg. Therefore, ''Duchy of Prussia'' then became the more adequate appellation for the state. Full sovereignty was a necessary prerequisite to upgrade Ducal Prussia to the sovereign
Kingdom of Prussia The Kingdom of Prussia (german: Königreich Preußen, ) constituted the German state of Prussia between 1701 and 1918. Marriott, J. A. R., and Charles Grant Robertson. ''The Evolution of Prussia, the Making of an Empire''. Rev. ed. Oxford: ...
, in 1701. (Not to be confused with Polish Royal Prussia.) However, the end of Polish suzerainty was met with resistance of the population, regardless of ethnicity, as it was afraid of Brandenburg
absolutism Absolutism may refer to: Government * Absolute monarchy, in which a monarch rules free of laws or legally organized opposition * Absolutism (European history), period c. 1610 – c. 1789 in Europe ** Enlightened absolutism, influenced by the E ...
and wished to remain part of the Crown of the Kingdom of Poland. The burghers of the capital city of Königsberg, led by Hieronymus Roth, rejected the treaties of Wehlau and Oliva and viewed Prussia as "indisputably contained within the territory of the Polish Crown".Janusz Jasiński, ''Polska a Królewiec'', Komunikaty Mazursko-Warmińskie nr 2, 2005, p. 126 (in Polish) It was noted that the incorporation into the Polish Crown under the Treaty of Kraków was approved by the city of Königsberg, while the separation from Poland took place without the city's consent. Polish King John II Casimir Vasa was asked for help, masses were held in Protestant churches for the Polish King and the Polish Kingdom. In 1662, elector Frederick William entered the city with his troops and forced the city to swear allegiance to him. However, in the following decades attempts to return to Polish suzerainty were still made. In 1675, the Polish-French Treaty of Jaworów was even signed, according to which
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...
was to support Polish efforts to regain control of the region, while Poland was to join the ongoing Franco-Brandenburgian war on the French side, however, it was not implemented. The nature of the ''de facto'' collectively ruled governance of Brandenburg-Prussia became more apparent through the titles of the higher ranks of the Prussian government, seated in
Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 square ...
's capital of
Berlin Berlin is Capital of Germany, the capital and largest city of Germany, both by area and List of cities in Germany by population, by population. Its more than 3.85 million inhabitants make it the European Union's List of cities in the European U ...
after the return of the court from Königsberg, where they had sought refuge from the
Thirty Years' War The Thirty Years' War was one of the longest and most destructive conflicts in European history, lasting from 1618 to 1648. Fought primarily in Central Europe, an estimated 4.5 to 8 million soldiers and civilians died as a result of battl ...
(1618–1648).


Promotion

Ducal Prussia's full sovereignty allowed Elector
Frederick III of Brandenburg Frederick I (german: Friedrich I.; 11 July 1657 – 25 February 1713), of the Hohenzollern dynasty, was (as Frederick III) Elector of Brandenburg (1688–1713) and Duke of Prussia in personal union (Brandenburg-Prussia). The latter function ...
to become " king in Prussia" in 1701 without offending Emperor Leopold I. The government of de facto collectively ruled Brandenburg-Prussia, seated in
Brandenburg Brandenburg (; nds, Brannenborg; dsb, Bramborska ) is a state in the northeast of Germany bordering the states of Mecklenburg-Vorpommern, Lower Saxony, Saxony-Anhalt, and Saxony, as well as the country of Poland. With an area of 29,480 square ...
's capital
Berlin Berlin is Capital of Germany, the capital and largest city of Germany, both by area and List of cities in Germany by population, by population. Its more than 3.85 million inhabitants make it the European Union's List of cities in the European U ...
, mostly appeared under the higher ranking titles of the Prussian government.


Expansion and consolidation

After the Kingdom of Prussia's annexation of the bulk of the province of Royal Prussia in the First Partition of Poland in 1772, former Ducal Prussia — including previously Polish-controlled Warmia within Royal Prussia — was reorganized into the Province of East Prussia, while Pomerelia and the
Malbork Land The Malbork Voivodeship (Polish: ''Województwo malborskie''), after Partitions of Poland also referred to as the Malbork Land (Polish: ''Ziemia malborska''), was a unit of administrative division and local government in the Kingdom of Poland fro ...
became the Province of West Prussia, with the exceptions of the two principal cities of
Gdańsk Gdańsk ( , also ; ; csb, Gduńsk;Stefan Ramułt, ''Słownik języka pomorskiego, czyli kaszubskiego'', Kraków 1893, Gdańsk 2003, ISBN 83-87408-64-6. , Johann Georg Theodor Grässe, ''Orbis latinus oder Verzeichniss der lateinischen Benen ...
and
Toruń )'' , image_skyline = , image_caption = , image_flag = POL Toruń flag.svg , image_shield = POL Toruń COA.svg , nickname = City of Angels, Gingerbread city, Copernicus Town , pushpin_map = Kuyavian-Pom ...
, annexed into West Prussia only in 1793. The Kingdom of Prussia, then consisting of East and West Prussia, being a sovereign state, and Brandenburg, being a fief within the
Holy Roman Empire The Holy Roman Empire was a political entity in Western, Central, and Southern Europe that developed during the Early Middle Ages and continued until its dissolution in 1806 during the Napoleonic Wars. From the accession of Otto I in 962 ...
, were amalgamated ''
de jure In law and government, ''de jure'' ( ; , "by law") describes practices that are legally recognized, regardless of whether the practice exists in reality. In contrast, ("in fact") describes situations that exist in reality, even if not legall ...
'' only after the latter's dissolution in 1806, though later became again partially distinct during the existence of the German Confederation (1815-1866).


See also


References

{{DEFAULTSORT:Prussia, Duchy of Former duchies Duchies of Poland Duchy of Prussia Duchy of Prussia . . Duchy of Prussia Duchy of Prussia Duchy of Prussia Duchy of Prussia Fiefdoms of Poland Prussia