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BATTLE // September 1, 1939

Battle of Mława

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Overview

The Battle of Mława, otherwise known as the Defence of the Mława position, took place to the north of the town of Mława in northern Poland between 1 and 3 September 1939. It was one of the opening battles of the Invasion of Poland and World War II in general. It was fought between the forces of the Polish Modlin Army under General Krukowicz-Przedrzymirski and the German 3rd Army under General Georg von Küchler.

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

Significance

The Battle of Mława was one of the opening engagements of the German invasion of Poland, fought from 1 to 3 September 1939 north of the town of Mława in northern Poland. The Polish Modlin Army under General Krukowicz-Przedrzymirski faced the German 3rd Army under General Georg von Küchler. Despite inflicting higher casualties on the attacking German forces—1,800 German dead or wounded against approximately 1,200 Polish—the engagement took place within the broader collapse of Polish defensive lines that characterized the early phase of the invasion. As one of the first battles of World War II, it illustrated the immediate pressure Polish forces faced across multiple fronts from the war's opening hours.

Forces & casualties

Casualties

  • Germany1,800
    medium
  • Poland1,200
    medium

Commanders (3)

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6 sibling battles · 6 factions

Last verified June 2026
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