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Polish–Russian War (1654–1667)

Conflict in Eastern Europe

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  • 4 chapters
Осада Ляхович русскими войсками в 1660 году
Unknown author Unknown author · Public domain

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Through Eastern Europe and Jews

The Commonwealth initially suffered defeats, but it regained its ground and won several decisive battles. However, its plundered economy was not able to fund the long conflict. Facing internal crisis and civil war, the Commonwealth was forced to sign a truce. The war ended with significant Russian territorial gains and marked the beginning of the rise of Russia as a great power in Eastern Europe.

Background

In the late recent decade prior to the conflict, tensions brewed significantly between Poles and Cossacks, ranging from discontent amongst the populace towards religious strife emboldened by the Cossacks' bitterness against the Polish hierarchy; These finally broke in 1648 when the Khmelnytsky insurrection of Zaporozhian Cossacks against the Commonwealth was initiated by Bohdan Khmelnytsky, obtaining his primary endorsement from Tsar Alexis in exchange for his allegiance within the Tsardom. During his preliminary arrangements when he was securing to receive Tatar support, a Polish army dispatched by Władysław IV Vasa advancing in the direction of Ukraine was destroyed within two separate battles in May. Khmelnytsky benefitted upon the victories, whom forwarded them as a signal for a popular revolt.

Violence dominated Ukraine against those who were deemed to be Polish collaborators, such as authoritative officials as well as landlords, as well as the Latin and Uniate clergies. Pogroms against Jews were widespread, given their recognition as (arendators), which from the peasants' behalf identified them as oppressive. Heavy crackdowns and reprisals subjected over the revolting population only further intensified the Cossack uprising, with yet another defeat dealt against a recent Polish military formation. Khmelnytsky them subsequently advanced west on Galicia before besieging Zamość. However, he did not extend his rapid campaign despite his major advantage over the Poles. Following the death of Władysław in May, his half-brother became King after he was elected by Parliament in November, incentivising Khmelnytsky to immediately withdraw, and returned to Ukraine shortly thereafter. Entering Kiev the very next January, he was widely acclaimed as a liberator over the region. John II Casimir Vasa immediately begun setting reforms in order to resolve political disputes, ethnic tensions and a whirlwind of conflict unleashed over the provinces.

Despite having initially requested an addressing of issues from the Polish authorities, Khmelnytsky started to shift his overall focus after civilian opinion firmly shifted in his favour. He then began conceiving Ukraine as a sovereign Cossack state. Soon afterwards, he initiated plans for a system of government and monetary authorities, founding a local administration under a governing establishment consisting of veteran Cossack officers, and also introduced relations with foreign states. Remaining prepared to formally recognise sovereignty under the Polish crown, he set about negotiations with the Poles. This resulted in the inconclusive Treaty of Zboriv in the summer of that year – likewise with another two years afterward – with neither being acceptable to the Poles nor Ukrainians, nor radicalised general populace, the vast consensus of whom then aligned themselves with the Khmelnytsky faction. Although intermittent clashes and engagements resumed between the Poles and revolting partisans, their Tatar allies demonstrated unreliability during pivotal events, thus Khmelnytsky began searching for other allies that would assist them in their resolve for nationhood.

In 1654, the Pereiaslav Agreement was signed between Khmelnytsky and the hierarchy of Moscow, producing some greatly disputed results; Russian historians have often highlighted Ukraine's acceptance of the Tsar's superiority, thereby legitimising Russian dominant rule, although Ukrainian historiography stressed Moscow's recognition of their autonomous rights – associating an elected hetmancy, state government along with access to foreign relations – which was essentially equivalent to independence, as mentioned within the agreement. Although the Zemsky Sobor of 1651 was poised to accept the Cossacks into the Moscow sphere of influence and to enter the war against Poland–Lithuania; The Tsar waited until 1653, when a new popular assembly eventually authorised the protectorate of Ukraine with Tsardom of Russia. After the Cossacks ratified the agreement at the Pereiaslav Council, the Russo-Polish War became inevitable.

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