What was the main cause of the october revolution

The revolution was led by the Bolsheviks, who used their influence in the Petrograd Soviet to organize the armed forces. Bolshevik Red Guards forces under the Military Revolutionary Committee began the occupation of government buildings on 7 November 1917 (New Style).

Result: Bolshevik victory:: End of the Provisional ...

Date: 7 November 1917

Location: Petrograd, Russian Republic