Excerpts from Books and Wikipedia
In the same year, Nikita Khrushchev denounces Joseph Stalin and popular unrest occurs in Hungary and Poland. "The Soviet party leader after Joseph Stalin, Khrushchev drew Mao Zedong's ire as a 'revisionist' for criticizing Stalin's personality cult and reversing Vladimir Lenin's theory of inevitable war with imperialism." [Fall and Rise of China Guidebook, p. 205]