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ORDER OF BATTLE // September 16, 1914

Siege of Przemyśl

Estimated force strength by side, with confidence labels per surviving record.

Forces engaged

2 sides catalogued · combined 438,000 estimated

  • Austria-Hungary

    138,000

    Medium-confidence figure

  • Russian Empire

    300,000

    Medium-confidence figure

Battle context

The Siege of Przemyśl stands as the longest siege in Europe during the First World War and the second-longest in the entire conflict. The fortress-town on the River San held out for 133 days before the Austro-Hungarian garrison surrendered on 22 March 1915, representing a crushing defeat for Austria-Hungary on the Eastern Front. The investment began on 16 September 1914, was briefly suspended in October during an Austro-Hungarian relief offensive, then resumed in November until the garrison's capitulation. Austria-Hungary committed 138,000 troops to the defense and suffered 137,000 casualties—a near-total loss of the defending force—while Russian forces sustained 115,000 casualties from a committed strength of 300,000. The scale of the loss and the symbolic weight of surrendering a major fortified stronghold led the siege to be characterized as 'Austria-Hungary's Stalingrad,' signaling the depth of Austro-Hungarian military vulnerability in the east and the enormous cost of static fortress warfare in a conflict defined by attrition on multiple fronts.

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Last verified June 2026
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