The revolution that led to the establishment of the Soviet Union in 1917 is known as the Russian Revolution. This upheaval occurred in two major phases: the February Revolution and the October Revolution. The February Revolution resulted in the abdication of Tsar Nicholas II, driven by widespread discontent towards the monarchy and socioeconomic hardships. The provisional government was then set up but struggled to address the needs of the people. In October, the Bolsheviks, led by Vladimir Lenin, seized power through a coup, establishing a socialist government that dismantled the existing political framework. This culminated in the formation of the Soviet Union in 1922, significantly impacting global politics.