Timeline: Major amendments to CPC Constitution

11th CPC National Congress, Aug 1977, Beijing

Establishment of disciplinary inspection committees at CPC Central Committee and other committees above county and regiment level;

Appointment of people based on abilities stressed.

10th CPC National Congress, Aug 1973, Beijing

Removal of an article appointing Lin Biao as Mao Zedong's successor.

9th CPC National Congress, April 1969, Beijing

Designation of Lin Biao as a close comrade-in-arm and successor of Mao Zedong.

8th CPC National Congress, Sept 1956, Beijing

Approval of main task of "four modernizations" in industry, agriculture, transportation and national defense sectors;

Inclusion of principle on income distribution -- each doing his best and getting paid according to contribution.

7th CPC National Congress, April to June 1945, Yan'an

First Constitution independently drafted by the CPC;

Establishment of Mao Zedong Thought as CPC's guiding ideology.