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BATTLE // August 24, 1789

First Battle of Svensksund

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Overview

The First Battle of Svensksund, also known as the First Battle of Rochensalm, was a naval battle fought in the Gulf of Finland in the Baltic Sea outside the present-day city of Kotka on 24 August 1789 during the Russo-Swedish War.

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

Significance

The First Battle of Svensksund was a naval engagement fought in the Gulf of Finland during the Russo-Swedish War of 1788–1790. The Swedish force of approximately 5,000 faced a Russian fleet roughly two and a half times larger at 12,000. Swedish casualties reached 1,500, indicating a costly engagement. The battle is one of two major actions fought in these waters during the war, the second occurring the following year at the same location, where the outcome would differ sharply. As part of the broader Russo-Swedish contest for control of the Baltic littoral and Gulf of Finland approaches, the engagement at Svensksund contributed to the attrition that shaped the conditions leading to that second, decisive confrontation.

Forces & casualties

Troop strength

  • Swedish Navy5,000
    medium
  • Imperial Russian Navy12,000
    medium

Imperial Russian Navy fielded a 2.4 : 1 numerical advantage

Casualties

  • Swedish Navy1,500
    medium30% loss rate

Commanders (4)

Imperial Russian Navy

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Related

6 sibling battles · 1 factions

Last verified June 2026
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