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BATTLE // July 8, 1709

Battle of Poltava

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Overview

The Battle of Poltava fought on 8 July 1709, was the decisive and largest battle of the Great Northern War. A Russian army under the command of Tsar Peter I defeated a Swedish army commanded by Carl Gustaf Rehnskiöld. The battle would lead to the Swedish Empire losing its status as a European great power and also marked the beginning of Russian supremacy in eastern Europe.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Battle of Poltava, fought on 8 July 1709, was the decisive and largest engagement of the Great Northern War. A Russian army of approximately 75,000 under Tsar Peter I confronted a Swedish force of roughly 31,392 commanded by Carl Gustaf Rehnskiöld, inflicting around 9,700 Swedish casualties against Russian losses of approximately 4,635. The disparity in both force sizes and casualties reflects the scale of the Swedish defeat. The battle effectively ended Sweden's standing as a European great power, a position the Swedish Empire had held across much of the preceding century. Simultaneously, the outcome marked the beginning of Russian supremacy in eastern Europe, shifting the regional balance of power decisively toward the Tsardom of Russia. Within the arc of the Great Northern War, Poltava rendered Sweden unable to sustain its dominant position in the Baltic and northern European sphere, while elevating Peter I's Russia as the preeminent military and political force in the east.

Forces & casualties

Troop strength

  • Swedish Empire31,392
    medium
  • Tsardom of Russia75,000
    medium

Tsardom of Russia fielded a 2.4 : 1 numerical advantage

Casualties

  • Swedish Empire9,700
    medium31% loss rate
  • Tsardom of Russia4,635
    medium6% loss rate

Commanders (14)

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Last verified July 2026
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