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Battle of Tannenberg

The German encirclement of the Russian Second Army in East Prussia. This page combines historical context with 23 matching records drawn directly from the World History Database World War I battle archive.

23 matching archive records1914–1914 record spanOpen full 572-record archive

Historical context

Battle of Tannenberg: overview and significance

What happened?

At Tannenberg in August 1914, German forces under Hindenburg and Ludendorff concentrated against Alexander Samsonov's Russian Second Army. German movements and intercepted Russian communications contributed to a large encirclement.

Why was it important?

Tannenberg became one of Germany's most dramatic victories on the Eastern Front and destroyed much of the Russian Second Army. It also elevated Hindenburg and Ludendorff to national prominence.

World History Database records

Battle of Tannenberg timeline

The records below are selected from the 572-record World War I battles archive and rendered as static HTML in chronological order.

1914
1914 20th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

Samsonov runs into a German trap, 1st day of the Battle of Tannenberg

1914 22nd August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

Invades Germany near the village of Tannenberg

1914 23rd August

Battle of Tannenberg

General Yakov Zhilinsky · Russia · Tannenberg · World War, 1st

Zhilinsky orders Samsonov to resume the offensive. The Russians are outflanked & radio messages decoded

1914 24th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

Zhilinsky orders Samsonov to stop "acting the coward & resume the offensive"

1914 24th August

Battle of Tannenberg

General Yakov Zhilinsky · Russia · Tannenberg · World War, 1st

Ordered by Zhilinsky to stop "acting the coward & resume the offensive"

1914 26th August

Battle of Tannenberg

Field Marshal Paul Ludwig Hans von Hindenburg · Germany · Tannenberg · World War, 1st

Later gives him Hindenburg & Ludendorf a legendary status during the Weimar Republic. Decisive victory against Russia in east Prussia

1914 26th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

The Russian centre moves into a trap & is overwhelmed by the German VIII Army. Shoots himself after the Battle of Tannenberg. Decisive German victory under Hindenburg & Ludendorf against Russia in East Prussia. 2 Russian corps, 13th, 15th & 23rd are trapped

1914 26th August

Battle of Tannenberg

General Yakov Zhilinsky · Russia · Tannenberg · World War, 1st

The Germans counterattack the Russian east flank

1914 27th August

Battle of Tannenberg

Field Marshal Paul Ludwig Hans von Hindenburg · Germany · Gumbinnen · World War, 1st

Gathers a force 100,000 against the threat posed by Samsonov & Rennekamps armies

1914 27th August

Battle of Tannenberg

Field Marshal Paul Ludwig Hans von Hindenburg · Germany · Hohenstein · World War, 1st

Only 60,000 Russian troops escape. Hindenburg takes 90,000 prisoners & several hundred guns

1914 27th August

Battle of Tannenberg

Field Marshal Paul Ludwig Hans von Hindenburg · Germany · River Niemen · World War, 1st

Hindenburg defeats Samsonov & turns on Rennenkampf who retreats to the Niemen River

1914 27th August

Battle of Tannenberg

Commander of XVIII Corps August von Mackensen · Germany · Tannenberg · World War, 1st

Leads the XVIII Corps

1914 27th August

Battle of Tannenberg

Commander of First Army Paul Karlovitch Rennenkampf · Russia · River Niemen · World War, 1st

His behaviour during the Battle of Tannenberg, & failure to coordinate with Samsonovs Second Army, resulted in much criticism from sector commander Yakov Zhilinskiy and attempts by some members of the military high command to have him removed. Hindenburg defeats Samsonov & turns on Rennenkampf who retreats to the Niemen River

1914 27th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Hohenstein · World War, 1st

Hindenburg drives Samsonovs army back to Hohenstein

1914 27th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

Hindenburg takes 90,000 prisoners & several hundred guns

1914 27th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

Poor communications with both Stavka headquarters and, more specifically, with First Army commander Rennenkampf (with whom Samsonov had a personal quarrel), led to Samsonovs forces being encircled by the German Eighth Army under Hindenburg and Ludendorf. Only 60,000 Russian troops escape.

1914 27th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

Samsonov is surrounded on 3 sides by Hindenburgs army & by swamps & lakes.

1914 27th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

With his Second Army virtually destroyed, of a total of 150,000 men under his command less than 10,000 escaped German capture, Samsonov, lost in wooded terrain, and unable to face reporting the scale of the disaster to Tsar Nicholas II, commits suicide.

1914 28th August

Battle of Tannenberg

Commander of Second Army Alexander Samsonov · Russia · Tannenberg · World War, 1st

The Russian Second Army disintegrates, Samsonov shoots himself

1914 August

Battle of Tannenberg

Field Marshal Paul Ludwig Hans von Hindenburg · Germany · Hohenstein · World War, 1st

Hindenburg drives Samsonovs army back to Hohenstein

1914 August

Battle of Tannenberg

Tsar Nicholas II · Russia · Tannenberg · World War, 1st

Russian loses are 92,000 captured & 30,000 killed. Russian defeat which precipitates the revolution. Pressurised by France to attack in the east to help the French & British in the west

1914 10th September

Battle of Tannenberg

Tsar Nicholas II · Russia · Tannenberg · World War, 1st

The last Russian troops are forced out of East Prussia

1914

Battle of Tannenberg

General Erich von Ludendorf · Germany · Tannenberg · World War, 1st

The Russians lose 92,000 compared to 13,000 Germans. Ludendorf & Hindenberg outflank & defeat the Russian Second Army

Editorial provenance

Sources and editorial review

Compiled and edited by World History Database.

Historical context is editorial material; the chronology is generated from World History Database First World War records.

Last reviewed: September 2026.

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