Skip to content
The War AtlasThe · War · Atlas

BATTLE // April 13, 1918

Battle of Helsinki

LOADING MAP TELEMETRY…

Overview

The Battle of Helsinki was a 1918 Finnish Civil War battle, fought on 12–13 April by the German troops and Finnish Whites against the Finnish Reds in Helsinki, Finland. Together with the battles of Tampere and Vyborg, it was one of the three major urban battles of the Finnish Civil War. The Germans invaded Helsinki despite the opposition of Finnish White Army leader Carl Gustaf Emil Mannerheim who wanted to attack the capital city with his own troops after Tampere had fallen on 6 April. However, the Germans had their own interest in taking Helsinki as quickly as possible and then moving further east towards the Russian border. The city had been under Red control for 11 weeks since the beginning of the war.

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

Significance

The Battle of Helsinki was one of the three major urban battles of the Finnish Civil War, alongside Tampere and Vyborg. By April 1918, Helsinki had been under Finnish Red control for eleven weeks, making its recapture a central objective of the White and German war effort. German forces under von der Goltz moved on the city independently, overriding the objections of White commander Mannerheim, who had sought to take the capital with Finnish troops following the fall of Tampere on 6 April. The German decision reflected strategic priorities beyond the civil war itself: Berlin sought to seize Helsinki quickly and advance eastward toward the Russian border. The battle's outcome effectively ended Red control of the Finnish capital and marked a decisive shift in the war's balance, contributing to the collapse of the Red cause alongside the concurrent fighting at Tampere and Vyborg. The episode also exposed tensions within the White-German alliance over command authority and the degree of German influence over Finland's military and political future.

Forces & casualties

Troop strength

  • German Empire6,000
    medium
  • Finnish Reds1,500–2,000
    medium

German Empire fielded a 3.4 : 1 numerical advantage

Casualties

  • Finnish Reds4,000–6,000
    medium286% loss rate

Commanders (5)

German Empire

Compare with sibling battle

6 options

Pick a battle to compare side-by-side

Related

6 sibling battles · 4 factions

Last verified June 2026
Cite this page →Suggest a correction →