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BATTLE // April 10, 1918

Battle of Ahvenkoski

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Source · Wikipedia

Significance

The Battle of Ahvenkoski, fought from April 10 to May 5, 1918, was the concluding engagement of the Finnish Civil War. Ahvenkoski and the surrounding Kymi valley represented the last area of significant Red Guard resistance, and the surrender of the final Red Guards on May 5 effectively ended the conflict. The outcome confirmed the victory of White Finland and Germany over the Finnish Socialist Workers' Republic, completing the suppression of the Red movement that had been underway since January 1918. As the terminal engagement of the war, it marked the definitive collapse of Red Finland's military capacity and political project.

Tactics

For most of the battle, both sides opposing trenches along the Kymi river, indicating a static defensive posture on both sides along this river line. The German forces under Otto von Brandenstein and the Red Guards under Oskar Vinte held these trench positions across the duration of the engagement until the Red Guards surrendered on May 5.

Commanders (2)

German Empire

Red Finland

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Last verified June 2026
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