On this day 61 years ago, on July 14, 1964 (June 6, 1964 in the lunar calendar), the Central Committee of the Communist Party of the Soviet Union issued an open letter attacking the Communist Party of China. On July 14, 1964, the Central Committee of the Communist Party of the Soviet Union issued an "Open Letter to Party Organizations at All Levels and All Communist Party Members in the Soviet Union" attacking the Communist Party of China. The editorial offices of People's Daily and Red Flag magazine published articles: "On Khrushchev's False Communism and Its Lessons in World History - Nine Commentaries on the Open Letter of the Central Committee of the Communist Party of the Soviet Union". The Chinese and Soviet parties began to openly debate.