The Russian Revolution of 1917 has a great significance for not only Russia but for the entire world.
It successfully demonstrated the Marxist theory of a revolution for the first time in history.
Every aspect of the Russian society was completely changed and organized on communist lines.
It gave Marxism a new dimension by demonstrating that a Marxist revolution can take place even in the semi-industrialized country like Russia.
A single individual Lenin had played a crucial role in bringing the revolution.