15th CPC National Congress, Sept 1997, Beijing

Establishment of Deng Xiaoping theory as the CPC's guiding ideology alongside Marxism-Leninism and Mao Zedong Thought.

14th CPC National Congress, Oct 1992, Beijing

Inclusion of Deng Xiaoping's theory of "building socialism with Chinese characteristics" and "one center, two basic points".

13th CPC National Congress, Nov 1987, Beijing

Inclusion of statement for the first time that the number of candidates should be more than the number to be elected.

12th CPC National Congress, Sept 1982, Beijing

Correction of all "leftist" mistakes;

Ban of "personality cult";

Call for "democratic discussions" on major issues.