4th Corps (Vietnam)

In July 1973, the Central Committee of the Communist Party of Vietnam after its 21st conference issued a resolution of strengthening the armed forces in order to unify the country. In executing the issue, three months later the Ministry of Defence and the Military Commission of the Central Committee approved the plan of organizing regular army corps for the Vietnam People's Army. On July 20, 1974,^[2] General Võ Nguyên Giáp, Minister of Defence, signed the edict that led to the establishment of the 4th Corps in Đông Nam Bộ, where is located the part of Mekong River called Cửu Long River (Cửu Long Giang or Sông Cửu Long), from which came the name Cửu Long Corps of the unit.^[3] The first headquarters of the corps consisted of party committee secretary (bí thư) Hoàng Thế Thiện and commander (tư lệnh) Hoàng Cầm.

During the Ho Chi Minh Campaign, it was 4th Corps that advanced through the delta regions of Phước Long, Biên Hòa and later captured the Special Capital Military District of Saigon and several important targets within Saigon. After the Vietnam War, 4th Corps continued to engage in the Cambodian–Vietnamese War, the corps was awarded the title Hero of the People's Armed Forces (Anh hùng Lực lượng vũ trang nhân dân) in 1980.^[3]

On 13 September 2024, the plan to merge the 3rd and 4th Corps to form the 34th Corps was announced in the 3rd Corps Emulation Congress.^[4] The corps was disbanded on 7 December 2024 to form the 34th Corps.^[5]