Regarding to the Soviet Union's leadership in the socialist camp, the Tito-Stalin Split broke out in 1948, followed by the Informbiro period that ended at 1955, signaling the end of the Soviet Union's intolerance of alternative socialist development. In Moscow, a dramatic event happened during the 20th Congress of the Communist Party of the Soviet Union in February 1956, as Nikita Khrushchev made the “Secret Speech” of denouncing the personality cult and dictatorship of Joseph Stalin. Chinese Communist Zhu De and Deng Xiaoping attended the congress and were surprised by the length that Khrushchev went into denouncing Stalin. Furthermore, the Soviet Union had begun to implement its 6th Five-year Plan for 1956-1960. On the geopolitical scene, China had since 1954 began to foster relations with her Asian neighboring countries like India and Burma. In April 1955, the Bandung Conference was held in Bandung, Indonesia and Zhou Enlai attended the conference as the representative of Communist China, strengthening her role in the African and Asian continents.