1, the period of new democratic revolution: from the establishment of China in July192/kloc-0 to the establishment of People's Republic of China (PRC) in June 1949;

2. Socialist Revolution and Construction Period:1June 1949 to1February 1978, the Third Plenary Session of the Eleventh Central Committee of the Party was held;

3. The new period of reform, opening up and socialist modernization: 1978 to 65438+February to 20 12, the 18th Party Congress was held;

4. Socialism with Chinese characteristics's new era: From the 18th CPC National Congress (20 12+0 1) to the present, the four historical periods have different historical connotations and characteristics of the times.

Four historical periods and achievements

In the new era of reform, opening up and socialist modernization, the Party and the people emancipated their minds, pioneered, persisted, defended and developed Socialism with Chinese characteristics, and made great achievements in reform, opening up and socialist modernization.

Four Historical Periods and Achievements The century-long struggle of the Party is divided into four historical periods, which respectively created the great achievements of the new-democratic revolution, socialist revolution and construction, reform, opening up and socialist modernization, and Socialism with Chinese characteristics in the new era.