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BATTLE // February 7, 1915

Second Battle of the Masurian Lakes

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Overview

The Second Battle of the Masurian Lakes or Winter Battle of the Masurian Lakes, known in Germany as the Winter Battle in Masuria and in Russia as the Battle of Augustowo, was the northern part of the Central Powers' offensive on the Eastern Front in the winter of 1915 during World War I. The offensive was intended to advance beyond the Vistula River and potentially knock Russia out of the war. It was the last major battle fought on German soil during World War I.

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

Significance

The Second Battle of the Masurian Lakes formed the northern component of the Central Powers' winter 1915 offensive on the Eastern Front. The operation was designed to push beyond the Vistula River and potentially force Russia out of the war entirely — an ambitious strategic objective that reflected German and Austro-Hungarian ambitions to decide the Eastern Front before Allied pressure on the west intensified. With Germany fielding roughly 250,000 troops against a Russian force of over 460,000, the disparity in casualties — approximately 20,000 German to 135,000 Russian — indicates the offensive achieved significant attrition against Russian forces even if it did not deliver the knockout blow its planners sought. The battle also carries the distinction of being the last major engagement fought on German soil during World War I, giving it a particular geographic finality on the Eastern Front's northern axis.

Forces & casualties

Troop strength

  • Germany250,000
    medium
  • Russia461,364
    medium

Russia fielded a 1.8 : 1 numerical advantage

Casualties

  • Germany20,000
    medium8% loss rate
  • Russia135,189
    medium29% loss rate

Commanders (9)

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6 sibling battles · 4 factions

Last verified June 2026
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