What important stages have China's national economy experienced since the founding of the People's Republic of China?

1, 1949- 1956: transition period from new democracy to socialism (recovery of national economy; The first five-year plan; Socialist transformation)

2. 1956- 1966: the period of building socialism in an all-round way (the Eighth National Congress of the Communist Party of China; Great Leap Forward and People's Communalization Movement; Eight-character policy)

3. 1966- 1976: Cultural Revolution (the disaster of national economy).

4. 1976- 1978: two years of vagrancy.

5. 1978 Up to now: the new period of socialist construction (the Third Plenary Session of the Eleventh Central Committee; Reform and opening up)