Examlex
The French psychologist Alfred Binet originated the concept of mental age.
Proletarian Revolution
A concept in Marxist theory referring to the working class (proletariat) overthrowing the capitalist class to establish a classless society.
October Revolution
A 1917 revolt in Russia led by the Bolsheviks that overthrew the Provisional Government and established a Communist government.
Bolsheviks
The Bolsheviks were a radical leftist group that led the Russian Revolution of 1917, eventually establishing a communist government in Russia.
Leon Trotsky
A Russian revolutionary, Marxist theorist, and Soviet politician who played a leading role in the Bolshevik Revolution of 1917.
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