2, 1952 land reform

3. 1954 The first National People's Congress was held and the first Constitution of People's Republic of China (PRC) was adopted.

4. 1956 completed three major transformations and established the socialist system.

5. 1956 The Eighth National Congress of communist party, China was held.

6. 1958 Great Leap Forward Movement and People's Communalization Movement

7. 1964 The first atomic bomb exploded successfully.

8.1966-Cultural Revolution

9. 1976 smashed the Gang of Four and ended the Cultural Revolution.

10, 1978 The Third Plenary Session of the Eleventh Central Committee was held, and the reform and opening up began.