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BATTLE // June 20, 1811

Battle of the Danube

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Source · Wikipedia

Significance

The Battle of the Danube, fought as part of the Rusçuk–Slobozia operation during the Russo-Turkish War of 1806–1812, resulted in the surrender of the Ottoman forces under Ahmed Pasha to Russian commander Mikhail Kutuzov. The Russian force of 37,000 overcame an Ottoman army of 56,000, inflicting an estimated 22,000–24,000 Ottoman casualties over a siege and investment lasting approximately two and a half months on the left bank of the Danube near Slobozia in Wallachia. The destruction of so large an Ottoman force under these terms represented a decisive operational success for Russia in the closing phase of the war, one that materially weakened Ottoman capacity to continue the conflict. The outcome contributed to the conditions that brought the war to a negotiated end, freeing Russian forces to concentrate on the threat posed by Napoleon's impending invasion.

Forces & casualties

Troop strength

  • Russian Empire37,000
    medium
  • Ottoman Empire56,000
    medium

Ottoman Empire fielded a 1.5 : 1 numerical advantage

Casualties

  • Ottoman Empire22,000–24,000
    medium41% loss rate

Commanders (3)

Ottoman Empire

Russian Empire

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Last verified June 2026
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