Ten Days That Shook the World is a famous phrase used to describe the October Revolution in Russia in 1917, which marked the overthrow of the Provisional Government and established Bolshevik control. This event not only changed the course of Russian history but also had far-reaching effects on global politics, ideologies, and social structures, inspiring revolutionary movements worldwide. The phrase encapsulates the intense political turmoil and rapid transformation that occurred during this critical period in history.