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Russian Revolution · permanent subject timeline

Kornilov Affair

The military-political crisis that strengthened the Bolsheviks. This page combines historical context with 31 matching records drawn directly from the World History Database Russian Revolution collection.

31 matching archive records1917–1917 record spanOpen full collection

Historical context

Kornilov Affair: overview and significance

What happened?

The Kornilov Affair developed from conflict between General Lavr Kornilov and Alexander Kerensky over military authority and the political direction of the revolution. Kerensky denounced the movement of Kornilov's forces toward Petrograd as a threat to the government.

Why was it important?

The affair badly damaged Kerensky's authority while allowing Bolshevik activists to present themselves as effective defenders of the revolution against counter-revolution. Bolshevik influence rose sharply afterward.

World History Database records

Kornilov Affair timeline

The records below are selected from the 726-record Russian Revolution collection and rendered as static HTML for reading and indexing.

1917
1917 26th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Receives conflicting reports about Kornilov's intentions as relations between the government and army headquarters deteriorate.

1917 27th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Appeals for support against Kornilov's move on Petrograd.

1917 27th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Dismisses Kornilov after concluding that the commander in chief is challenging the authority of the Provisional Government.

1917 27th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Appeals to the Petrograd Soviet and revolutionary organisations for support against Kornilov's movement toward the capital.

1917 27th August

Kornilov Affair

Lavr Georgiyevich Kornilov · General · Petrograd

His advance alarms the Petrograd Soviet and the government.

1917 27th August

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

Bolsheviks support resistance to Kornilov while continuing to oppose the political programme of Kerensky's government.

1917 28th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Authorises defensive measures around Petrograd while political organisations mobilise workers and soldiers against Kornilov.

1917 28th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Allows revolutionary groups greater freedom to organise resistance as the threat from Kornilov appears to increase.

1917 28th August

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

Bolsheviks gain influence by helping resist Kornilov.

1917 28th August

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

Bolshevik organisers gain greater freedom to mobilise workers and soldiers for the defence of Petrograd.

1917 28th August

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

The party presents Kornilov's action as evidence that counter-revolutionary forces threaten the gains of February.

1917 29th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Relies on railway workers and political activists to disrupt communications and troop movements toward Petrograd.

1917 29th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Seeks support from loyal military units as Kornilov's advance begins losing momentum outside the capital.

1917 29th August

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

Bolshevik activists help organise resistance while railway workers and soldiers obstruct the advance toward Petrograd.

1917 29th August

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

The crisis allows Bolshevik organisers to rebuild influence among workers after the repression following the July Days.

1917 30th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Receives reports that soldiers are abandoning the advance after railway disruption and revolutionary agitation.

1917 30th August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Attempts to restore government authority as the immediate military danger from Kornilov rapidly diminishes.

1917 30th August

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

Bolshevik political influence grows as Kornilov's forces lose momentum and the immediate threat to Petrograd recedes.

1917 31st August

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Emerges from the failed Kornilov movement with emergency authority but weakened support among conservatives and socialists.

1917 31st August

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

The failure of Kornilov strengthens Bolshevik claims that revolutionary organisations successfully defended the capital.

1917 1st September

Arrest after Kornilov Affair

Lavr Georgiyevich Kornilov · General · Bykhov

Kornilov is arrested after the failure of his confrontation with Kerensky and is later confined at Bykhov.

1917 1st September

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Orders action against senior officers associated with Kornilov after the attempted military challenge collapses.

1917 1st September

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

Bolshevik supporters use the aftermath of the crisis to press for greater influence in the Petrograd Soviet.

1917 2nd September

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Begins reorganising the government after the crisis while facing growing distrust from both left and right.

1917 3rd September

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Tries to stabilise political authority after the Kornilov confrontation exposes deep divisions within revolutionary Russia.

1917 9th September

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Kerensky denounces Kornilov's advance toward Petrograd as a military revolt.

1917 9th September

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

Kerensky dismisses Kornilov and assumes emergency authority during the crisis.

1917 September

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

The affair damages Kerensky's relationship with senior army officers and further isolates the Provisional Government.

1917 September

Kornilov Affair

Alexander Fedorovich Kerensky · Prime Minister of Russia · Petrograd

The defeat of Kornilov removes an immediate military threat but strengthens radical opposition to Kerensky's government.

1917 September

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

The party's standing rises sharply after the affair, weakening moderate socialist influence among workers and soldiers.

1917 September

Kornilov Affair

Joseph Vissarionovich Stalin · Bolshevik Leader · Petrograd

Bolshevik propaganda portrays the Kornilov episode as proof that the revolution remains threatened by military counter-revolution.

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 Russian Revolution records.

Last reviewed: September 2026.

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