ORDER OF BATTLE // November 16, 1914
Battle of Kolubara
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 850,000 estimated
Kingdom of Serbia
400,000
Medium-confidence figure
Austria-Hungary
450,000
Medium-confidence figure
Battle context
The Battle of Kolubara, fought between Austria-Hungary and Serbia in November and December 1914, was a major engagement of the Serbian Campaign of 1914. Serbian forces numbering around 400,000 faced an Austro-Hungarian army of approximately 450,000. The scale of casualties underscores the intensity of the fighting: Serbia sustained roughly 132,000 casualties while Austria-Hungary suffered approximately 273,000. The disparity in losses inflicted relative to force sizes points to a significant Serbian operational achievement within the broader Serbian Campaign, checking Austro-Hungarian ambitions in the Balkans during the opening year of the war.
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