Battle of Gumbinnen

Battle of Gumbinnen
	Part of Russian invasion of East Prussia during World War I
	; Eastern Front, 17–23 August 1914.
Date	20 August 1914
Location	Gumbinnen, East Prussia (now Gusev, Russia)54°36′N 22°12′E / 54.600°N 22.200°E
Result	Russian victory
Belligerents
German Empire	Russian Empire
Commanders and leaders
Maximilian von Prittwitz; August von Mackensen	Paul von Rennenkampf
Units involved
8th Army	1st Army
Strength
105 battalions, ; 55 squadrons, ; 204 machine guns, ; 580 guns	86 battalions, ; 130 squadrons, ; 252 machine guns,; 408 guns
Casualties and losses
1,250 killed; 6,414 wounded; 6,943 captured; Total:; 14,607	18,839 ; Another estimate: ; 19,665 men, including 9,500 captured

The Battle of Gumbinnen, initiated by forces of the German Empire on 20 August 1914, was a German offensive on the Eastern Front during the First World War. Because of the hastiness of the German attack, the Russian Army emerged victorious.

^ С.Г. Нелипович, Два похода, Борьба за Восточную Пруссию, 2020, р. 47
^ С.Г. Нелипович, 2020, р. 47
^ Tannenberg 1914, Warszawa, 2005; p. 29.
^ Tannenberg 1914, Warszawa, 2005; p. 32
^ С.Г. Нелипович, 2020, р. 49-50

[1] С.Г. Нелипович, Два похода, Борьба за Восточную Пруссию, 2020, р. 47

[2] С.Г. Нелипович, 2020, р. 47

[3] Tannenberg 1914, Warszawa, 2005; p. 29.

[4] Tannenberg 1914, Warszawa, 2005; p. 32

[5] С.Г. Нелипович, 2020, р. 49-50

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