Summer of 1962
President Ho Chi Minh and comrade Nguyen Chi Qinh came to China requesting military aid to South Vietnam People's Army.

March 5th—7th, 1971
Premier Zhou Enlai and Comrade Ye Jianying led a Chinese Party and political delegation to visit Vietnam.

1978
The Fourth Plenary Session of the fourth Vietnamese Communist Party Central Committee confirmed China as “the most direct and dangerous enemy” of Vietnam.

February, 1979
China launched a self-defensive campaign for a series of military provocation made by Vietnam around the border of the two countries.

1 2 3 4 5