The historical significance of the 1905 Russian Revolution was its role in setting the stage for the eventual overthrow of the Tsarist autocracy in 1917. Triggered by widespread dissatisfaction with social, political, and economic conditions, the revolution led to the establishment of the Duma, Russia's first parliament, although its power was limited. It highlighted the growing demands of the Russian populace for reform and social justice. The 1905 Revolution also demonstrated the government's inability to quell dissent and adapt to change, ultimately contributing to the revolutionary fervor that led to the Bolshevik Revolution in 1917.