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BATTLE // April 24, 1918

Battle of Viipuri

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Overview

The Battle of Viipuri was a 1918 Finnish Civil War battle, fought 24–29 April between the Finnish Whites and the Finnish Reds in Viipuri. Together with the Battle of Tampere and Battle of Helsinki, it was one of the three major urban battles of the Finnish Civil War. The battle is also remembered because of its bloody aftermath, as the Whites executed up to 400 non-aligned military personnel and civilians of Russian and associated ethnicities.

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

Significance

The Battle of Viipuri, fought 24–29 April 1918, was one of three major urban battles of the Finnish Civil War alongside the battles of Tampere and Helsinki. The White force of approximately 18,500 faced a Red force of around 5,000, and Red casualties reached 11,350—a disparity that reflects the scale of White operational superiority at this stage of the conflict. The battle contributed to the collapse of organized Red resistance in Finland. Its aftermath drew lasting attention: White forces executed up to 400 non-aligned military personnel and civilians of Russian and associated ethnicities, making Viipuri a marker not only of the war's military conclusion but also of its violent political reckoning.

Forces & casualties

Troop strength

  • Finnish Whites18,500
    medium
  • Finnish Reds5,000
    medium

Finnish Whites fielded a 3.7 : 1 numerical advantage

Casualties

  • Finnish Reds11,350
    medium227% loss rate

Commanders (9)

Finnish Reds

Finnish Whites

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Related

6 sibling battles · 4 factions

Last verified June 2026
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