Bolshevik Party
Calls for the re-unification of the Bolsheviks & Mensheviks
Russian Revolution ยท permanent subject timeline
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.

Historical context
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.
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
The records below are selected from the 726-record Russian Revolution collection and rendered as static HTML for reading and indexing.
Bolshevik Party
Calls for the re-unification of the Bolsheviks & Mensheviks
Demonstrations
Calls for the re-unification of the Bolsheviks & Mensheviks. Calls for an end to the war & for revolution
Menshevik Party
Calls for the re-unification of the Bolsheviks & Mensheviks
Exile of Leon Trotsky
Trotsky leaves exile in New York to return to Russia
June Demonstration
Speaks for a more radical Soviet policy.
July Days
Warns radicals that an isolated uprising would be dangerous.
Arrest of Leon Trotsky
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
July Days
Protects Chernov from hostile sailors during the crisis.
July Days
Intervenes to protect Chernov from enraged demonstrators.
July Days
Urges demonstrators not to provoke isolated confrontation.
July Days
Defends the movement while opposing reckless confrontation.
July Days
Remains in Petrograd as arrests of Bolsheviks begin.
July Days
Condemns slanders against Lenin and the Bolsheviks.
July Days
Challenges the accusation that Bolshevik leaders are German agents.
July Days
Is increasingly targeted by the authorities after defending Lenin.
July Days
Workers and soldiers demand Soviet power as Trotsky supports restraint.
Bolshevik Military Organisation
This record states: Both Trotsky and Zinoviev argued that the street protests remain peaceful so the Bolshevik Military Organisation organize the demonstration.
Bolshevik Military Organisation
This record states: Coming out in support of the street demonstrations.
Bolshevik Military Organisation
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.
Bolshevik Military Organisation
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.
Bolshevik Party
This record states: Both Trotsky and Zinoviev argued that the street protests remain peaceful so the Bolshevik Military Organisation organize the demonstration.
Bolshevik Party
This record states: Coming out in support of the street demonstrations.
Bolshevik Party
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.
Bolshevik Party
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.
July Days
Bolshevik leaders reverse course and support the mass demonstrations.
July Days
Trotsky argues that street protests should remain peaceful and disciplined.
July Days
Trotsky supports Central Committee efforts to restrain the movement.
Petersburg Committee
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
Arrest after July Days
Is arrested after defending the Bolsheviks.
Release after Kornilov
Is released as Bolsheviks gain prestige after the crisis.
Chairman of Petrograd Soviet
Is elected chairman after the Bolshevik majority grows.
Chairman of Petrograd Soviet
Is elected chairman of the Petrograd Soviet.
Chairman of Petrograd Soviet
Replaces moderate leadership as Bolshevik strength grows.
Military Revolutionary Committee
Helps create the committee under Petrograd Soviet authority.
President of Russia
Appointed President of the Military Revolutionary Committee
Garrison Control
The Soviet claims authority over the Petrograd garrison during the crisis.
Garrison Order
Claims authority over Petrograd garrison orders through the Soviet.
Insurrection Preparation
Uses Soviet authority to shield Bolshevik preparations.
Insurrection Preparation
The Soviet provides organisational support for preparations before the uprising.
October Revolution
Announces that the Provisional Government has been overthrown.
October Revolution
Trotsky uses the Petrograd Soviet as a base for revolutionary action.
Second Congress of Soviets
Trotsky presides as Soviet delegates approve the transfer of power.
Post-Revolution Soviet
Uses the Soviet as a base for new Bolshevik authority.
Post-Revolution Soviet
The Petrograd Soviet becomes a foundation of the new revolutionary government.
Kerensky-Krasnov Rising
Trotsky helps organise Soviet resistance against the advance of Krasnov's Cossack forces.
Kerensky-Krasnov Rising
The Petrograd Soviet strengthens its military organisation after the failure of the Kerensky-Krasnov advance.
Civil War Defence
Helps defend Petrograd from Kerensky-Krasnov forces.
Soviet Authority
The Petrograd Soviet becomes central to Bolshevik political authority.
Supply Commission
Appointed Head of the Supply Commission, responsible for food for the cities. Appointed Head of the Extraordinary Commission for Supply
Rebellion
The Czech legion refuses to surrender arms & Trotsky orders it to be disarmed by force
Declaration of Death Penalty
Orders the death penalty for "bagmen" of foodstuffs
Editorial provenance
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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