What began in 1917 when menshiviks overthrew tzar?

The event that began in 1917 when the Mensheviks and other factions overthrew Tsar Nicholas II is known as the February Revolution. This uprising led to the abdication of the Tsar and the establishment of a provisional government in Russia. The revolution marked the end of centuries of imperial rule and set the stage for further political upheaval, culminating in the Bolshevik Revolution later that year. The February Revolution significantly influenced the course of Russian history and the eventual rise of the Soviet Union.