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Battle of Stalluponen
Part of Eastern Front (World War I)
Eastern Front, August 17–23, 1914
Date August 17, 1914 Location Stalluponen, today Nesterov, Russia Result German victory
Combatants
Russian Empire	German Empire
Commanders
Paul von Rennenkampf	Hermann von François
Strength
I Army (200,000)	I Corps of VIII Army (strength unknown)
Casualties
5,000 plus 3,000 prisoners	?

Eastern Front
Stalluponen – Gumbinnen – Tannenberg – 1st Lemberg – Krasnik – 1st Masurian Lakes – Przemyśl – Vistula River – Łódź – Bolimov – 2nd Masurian Lakes – Gorlice-Tarnów – Warsaw – Lake Naroch – Brusilov Offensive – Kerensky Offensive

The Battle of Stalluponen was the first German victory on the Eastern Front in World War I.

Contents 1 Prelude 2 The Battle 3 Aftermath 4 External links

Brought on by the aggressive tactics of General Hermann von François in defense of the German province of East Prussia, the battle was completely unexpected by both sides, along with its outcome.

In mid-August, 1914, the Russian army began to execute an invasion of East Prussia at the outbreak of hostilities. At the easternmost extremity of Germany, Russian General Pavel Rennenkampf invaded East Prussia with the Russian First Army, with the city of Königsberg as his ultimate target.

The Germans expected this, and opened the war in a defensive posture because massive attacks against France on the Western Front were drawing down most of the German troops. However, François, the commander of the First Corps of the German Eighth Army, was convinced his better trained and equipped forces could slow down, if not halt, Rennenkampf's Russian forces.

On August 17, François brought on a general engagement with the advancing Russians in spite of orders from his theatre commander, General Maximilian von Prittwitz, to withdraw if pressed. When Prittwitz learned that François had engaged the Russians, he sent an adjutant to order François to break off the attack and retreat. François by this time was too committed to safely disengage, and had no intention of doing so anyway. He contempuously, and famously, told the adjutant that "General von François will withdraw when he has defeated the Russians!" With the outcome hanging in the balance, François ordered a general attack all along the line and hammered the Russians' vanguard, inflicting 5,000 casualties and taking 3,000 prisoners.

While the Russians retired to the border to lick their wounds, François reluctantly obeyed Prittwitz' order and withdrew 15 miles to the west, taking a new position around Gumbinnen.

• Battle of Stalluponen at FirstWorldWar.com