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BATTLE // January 1, 1939

Battle of Petsamo

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Overview

The Battle of Petsamo was fought between Finnish and Soviet troops in the area of Petsamo in the far north of Finland in 1939 and 1940. The Finnish troops were greatly outnumbered but managed to contain the Soviet troops due to the extreme terrain, weather and leadership.

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

Significance

The Battle of Petsamo was fought in the far north of Finland during the Winter War, in a region of extreme terrain that shaped the engagement as much as any tactical decision. Finnish forces, though greatly outnumbered by Soviet troops, managed to contain the Soviet advance in the Petsamo area. The outcome reflected a pattern evident across the Winter War: smaller Finnish forces leveraging terrain, weather, and local leadership to offset Soviet numerical superiority. Soviet casualties were comparable to or exceeded Finnish losses despite the disparity in force sizes, underscoring the operational difficulty the Red Army faced in translating numerical advantage into territorial gain in the far north.

Tactics

The Finnish force, numbering around 900, faced a Soviet contingent of approximately 104 in the Petsamo area. According to the overview, Finnish success in containing Soviet forces was attributed to extreme terrain, severe weather conditions, and effective leadership rather than numerical strength. No further detail on maneuver, disposition, or specific tactical actions is provided in the source.

Forces & casualties

Troop strength

  • Finlande900
    medium
  • Union soviétique104
    medium

Finlande fielded a 8.7 : 1 numerical advantage

Casualties

  • Finlande187
    medium21% loss rate
  • Union soviétique181–301
    medium232% loss rate

Commanders (3)

Finland

Soviet Union

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6 sibling battles · 2 factions

Last verified May 2026
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