Treaty of Marienburg
Encyclopedia
The treaty of Marienburg, concluded on 29 June 1656, was a Brandenburg-Prussia
n – Swedish
alliance during the Second Northern War
.
In January 1656, Charles X Gustav of Sweden
had made Frederick William I, Elector of Brandenburg, his vassal for the Duchy of Prussia. By the time of the treaty of Marienburg, Swedish prospect in the war had diminished, and Charles X Gustav was willing to offer Frederick William I a reward for fighting on his side. While the latter was to remain a Swedish vassal for Prussia, he was promised hereditary sovereignty in four voivodeships of Greater Poland
in return for participating in the Charles X Gustav's Polish campaigns. This alliance proved victorious in the subsequent Battle of Warsaw
, but as further campaigns stalled, Frederick William I was to gain full sovereignty in Prussia by the Treaty of Labiau
in November 1656.
Brandenburg-Prussia
Brandenburg-Prussia is the historiographic denomination for the Early Modern realm of the Brandenburgian Hohenzollerns between 1618 and 1701. Based in the Electorate of Brandenburg, the main branch of the Hohenzollern intermarried with the branch ruling the Duchy of Prussia, and secured succession...
n – Swedish
Swedish Empire
The Swedish Empire refers to the Kingdom of Sweden between 1561 and 1721 . During this time, Sweden was one of the great European powers. In Swedish, the period is called Stormaktstiden, literally meaning "the Great Power Era"...
alliance during the Second Northern War
Second Northern War
The Second Northern War was fought between Sweden and its adversaries the Polish–Lithuanian Commonwealth , Russia , Brandenburg-Prussia , the Habsburg Monarchy and Denmark–Norway...
.
In January 1656, Charles X Gustav of Sweden
Charles X Gustav of Sweden
Charles X Gustav also Carl Gustav, 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. After his father's death he also succeeded him as Pfalzgraf. He was married to Hedwig Eleonora of Holstein-Gottorp, who...
had made Frederick William I, Elector of Brandenburg, his vassal for the Duchy of Prussia. By the time of the treaty of Marienburg, Swedish prospect in the war had diminished, and Charles X Gustav was willing to offer Frederick William I a reward for fighting on his side. While the latter was to remain a Swedish vassal for Prussia, he was promised hereditary sovereignty in four voivodeships of Greater Poland
Greater Poland
Greater Poland or Great Poland, often known by its Polish name Wielkopolska is a historical region of west-central Poland. Its chief city is Poznań.The boundaries of Greater Poland have varied somewhat throughout history...
in return for participating in the Charles X Gustav's Polish campaigns. This alliance proved victorious in the subsequent Battle of Warsaw
Battle of Warsaw (1656)
The Battle of Warsaw was a battle which took place near Warsaw on , between the armies of the Polish-Lithuanian Commonwealth on the one hand and of Sweden and Brandenburg on the other. It was a major battle in the Second Northern War between Poland and Sweden in the period 1655–1660, also known as...
, but as further campaigns stalled, Frederick William I was to gain full sovereignty in Prussia by the Treaty of Labiau
Treaty of Labiau
The Treaty of Labiau was a treaty signed between Frederick William I, Elector of Brandenburg and Charles X Gustav of Sweden on 10 November / 20 November 1656 in Labiau...
in November 1656.