6th CPC National Congress, June to July 1928, Moscow

Leadership of the Communist International stressed.

5th CPC National Congress, April to May, 1927, Wuhan

Legal age for individuals to join the CPC set to be 18 or above.

4th CPC National Congress, Jan 1925, Shanghai

Regulation of grassroots CPC units;

Change of title of CPC Central Committee chief from chairman to general secretary.

3rd CPC National Congress, June 1923, Guangzhou

Description of the rights and obligations of full and alternate CPC members.

2nd CPC National Congress, July 1922, Shanghai

Adoption of the Party's first complete Constitution which defined the prerequisites and procedures for joining the Party, and the Party's organizational structure.

1st CPC National Congress, July 1921, Shanghai

A program, which defined the CPC's name, nature, guiding principles and ultimate goal, was to become the prototype of the Party Constitution.