经党中央批准,《中国共产党历史》第二卷(1949-1978)(以下简称《党史》二卷)正式出版了。这是党的历史研究的一项重大成果,是党史工作发展史上的一件大事。这部党史基本著作,以大量历史资料为依据,吸收近30年来党史学界重要研究成果,全面记载了1949年10月中华人民共和国成立至1978年12月党的十一届三中全会召开这段历史。这29年党的历史,是90年党的历史的重要组成部分。正确对待这段历史,准确把握党的历史发展的主题 With the approval of the Party Central Committee, the second volume of “History of the Communist Party of China” (1949-1978) (hereinafter referred to as “Second History of the Party”) was officially published. This is a major achievement in the study of the history of the Party and a major event in the history of the development of the party history. This basic work of the party history, with a large number of historical data as the basis, absorbed nearly 30 years of important achievements in the study of the history of the party, a comprehensive record of the People’s Republic of China in 1949 October to the establishment of the Third Plenary Session of the Eleventh Central Committee held in December 1978 This history. The history of the party for 29 years is an important part of the party’s history in 1990. Correctly treating this period of history and accurately grasping the theme of the party’s historical development