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Russian Revolution ยท permanent subject timeline

Leon Trotsky and the Russian Revolution

Petrograd Soviet leader and organizer of the October seizure of power. This page combines historical context with 51 matching records drawn directly from the World History Database Russian Revolution collection.

51 matching archive records1917โ€“1918 record spanOpen full collection
Leon Trotsky and the Russian Revolution historical photograph

Historical context

Leon Trotsky and the Russian Revolution: overview and significance

What happened?

Leon Trotsky returned to Russia in 1917, joined the Bolsheviks and became chairman of the Petrograd Soviet. As a leading figure in the Military Revolutionary Committee he played a central organizational role in the October seizure of power.

Why was it important?

Trotsky connected Bolshevik party strategy with the institutional authority of the Petrograd Soviet. His role in October and later creation of the Red Army made him one of the revolution's most consequential leaders.

World History Database records

Leon Trotsky and the Russian Revolution timeline

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

1917
1917 24th February

Bolshevik Party

Leon Trotsky ยท Petrograd

Calls for the re-unification of the Bolsheviks & Mensheviks

1917 24th February

Demonstrations

Leon Trotsky ยท Petrograd

Calls for the re-unification of the Bolsheviks & Mensheviks. Calls for an end to the war & for revolution

1917 24th February

Menshevik Party

Leon Trotsky ยท Petrograd

Calls for the re-unification of the Bolsheviks & Mensheviks

1917 27th March

Exile of Leon Trotsky

Leon Trotsky

Trotsky leaves exile in New York to return to Russia

1917 18th June

June Demonstration

Leon Trotsky ยท Bolshevik Leader ยท Petrograd

Speaks for a more radical Soviet policy.

1917 2nd July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Warns radicals that an isolated uprising would be dangerous.

1917 3rd July

Arrest of Leon Trotsky

Leon Trotsky ยท Commander in Chief

Workers and soldiers in Petrograd demand the Soviet takes power, sporadic fighting results and the Soviet restores order with troops brought back from the front, Trotsky is arrested & Lenin goes into hiding

1917 4th July

July Days

Leon Trotsky ยท Bolshevik Leader ยท Petrograd

Protects Chernov from hostile sailors during the crisis.

1917 4th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Intervenes to protect Chernov from enraged demonstrators.

1917 4th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Urges demonstrators not to provoke isolated confrontation.

1917 5th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Defends the movement while opposing reckless confrontation.

1917 6th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Remains in Petrograd as arrests of Bolsheviks begin.

1917 9th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Condemns slanders against Lenin and the Bolsheviks.

1917 12th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Challenges the accusation that Bolshevik leaders are German agents.

1917 14th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Is increasingly targeted by the authorities after defending Lenin.

1917 16th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Workers and soldiers demand Soviet power as Trotsky supports restraint.

1917 17th July

Bolshevik Military Organisation

Leon Trotsky ยท Commander in Chief ยท Petrograd

This record states: Both Trotsky and Zinoviev argued that the street protests remain peaceful so the Bolshevik Military Organisation organize the demonstration.

1917 17th July

Bolshevik Military Organisation

Leon Trotsky ยท Commander in Chief ยท Petrograd

This record states: Coming out in support of the street demonstrations.

1917 17th July

Bolshevik Military Organisation

Leon Trotsky ยท Commander in Chief ยท Petrograd

This record states: Mobilizing reinforcements from the front lines and dispatching armored cars to capture key posts including bridges and the Peter and Paul Fortress.

1917 17th July

Bolshevik Military Organisation

Leon Trotsky ยท Commander in Chief ยท Petrograd

This record states: Under the pressure of what seemed like a developing mass demonstration of workers and soldiers in the streets, the leadership of the Bolshevik Military Organisation, the Petersburg Committee and later on the Central Committee, reversed their decision.

1917 17th July

Bolshevik Party

Leon Trotsky ยท Commander in Chief ยท Petrograd

This record states: Both Trotsky and Zinoviev argued that the street protests remain peaceful so the Bolshevik Military Organisation organize the demonstration.

1917 17th July

Bolshevik Party

Leon Trotsky ยท Commander in Chief ยท Petrograd

This record states: Coming out in support of the street demonstrations.

1917 17th July

Bolshevik Party

Leon Trotsky ยท Commander in Chief ยท Petrograd

This record states: Mobilizing reinforcements from the front lines and dispatching armored cars to capture key posts including bridges and the Peter and Paul Fortress.

1917 17th July

Bolshevik Party

Leon Trotsky ยท Commander in Chief ยท Petrograd

This record states: Under the pressure of what seemed like a developing mass demonstration of workers and soldiers in the streets, the leadership of the Bolshevik Military Organisation, the Petersburg Committee and later on the Central Committee, reversed their decision.

1917 17th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Bolshevik leaders reverse course and support the mass demonstrations.

1917 17th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Trotsky argues that street protests should remain peaceful and disciplined.

1917 17th July

July Days

Leon Trotsky ยท Revolutionary Leader ยท Petrograd

Trotsky supports Central Committee efforts to restrain the movement.

1917 17th July

Petersburg Committee

Leon Trotsky ยท Commander in Chief ยท Petrograd

Under the pressure of what seemed like a developing mass demonstration of workers and soldiers in the streets, the leadership of the Bolshevik Military Organisation, the Petersburg Committee and later on the Central Committee, reversed their decision, coming out in support of the street demonstrations

1917 23rd July

Arrest after July Days

Leon Trotsky ยท Bolshevik Leader ยท Petrograd

Is arrested after defending the Bolsheviks.

1917 4th September

Release after Kornilov

Leon Trotsky ยท Bolshevik Leader ยท Petrograd

Is released as Bolsheviks gain prestige after the crisis.

1917 25th September

Chairman of Petrograd Soviet

Leon Trotsky ยท Bolshevik Leader ยท Petrograd

Is elected chairman after the Bolshevik majority grows.

1917 25th September

Chairman of Petrograd Soviet

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Is elected chairman of the Petrograd Soviet.

1917 25th September

Chairman of Petrograd Soviet

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Replaces moderate leadership as Bolshevik strength grows.

1917 12th October

Military Revolutionary Committee

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Helps create the committee under Petrograd Soviet authority.

1917 16th October

President of Russia

Leon Trotsky ยท President of Russia

Appointed President of the Military Revolutionary Committee

1917 21st October

Garrison Control

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

The Soviet claims authority over the Petrograd garrison during the crisis.

1917 21st October

Garrison Order

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Claims authority over Petrograd garrison orders through the Soviet.

1917 23rd October

Insurrection Preparation

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Uses Soviet authority to shield Bolshevik preparations.

1917 23rd October

Insurrection Preparation

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

The Soviet provides organisational support for preparations before the uprising.

1917 25th October

October Revolution

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Announces that the Provisional Government has been overthrown.

1917 25th October

October Revolution

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Trotsky uses the Petrograd Soviet as a base for revolutionary action.

1917 25th October

Second Congress of Soviets

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Trotsky presides as Soviet delegates approve the transfer of power.

1917 27th October

Post-Revolution Soviet

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Uses the Soviet as a base for new Bolshevik authority.

1917 27th October

Post-Revolution Soviet

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

The Petrograd Soviet becomes a foundation of the new revolutionary government.

1917 30th October

Kerensky-Krasnov Rising

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Pulkovo

Trotsky helps organise Soviet resistance against the advance of Krasnov's Cossack forces.

1917 31st October

Kerensky-Krasnov Rising

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

The Petrograd Soviet strengthens its military organisation after the failure of the Kerensky-Krasnov advance.

1917 November

Civil War Defence

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

Helps defend Petrograd from Kerensky-Krasnov forces.

1917

Soviet Authority

Leon Trotsky ยท Chairman of Petrograd Soviet ยท Petrograd

The Petrograd Soviet becomes central to Bolshevik political authority.

1918
1918 13th February

Supply Commission

Leon Trotsky ยท Head of Supply Commission

Appointed Head of the Supply Commission, responsible for food for the cities. Appointed Head of the Extraordinary Commission for Supply

1918 22nd May

Rebellion

Leon Trotsky

The Czech legion refuses to surrender arms & Trotsky orders it to be disarmed by force

1918

Declaration of Death Penalty

Leon Trotsky ยท Head of Supply Commission

Orders the death penalty for "bagmen" of foodstuffs

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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