The fourth National Party Congress held from December 14-20, 1976, reviewed the resistance war against the US imperialists for national salvation, and guiding the nation towards socialism.
|The fourth National Party Congress is held from December 14-20, 1976 in Hanoi. (Photo: VNA)|
|Thong Nhat train from Ho Chi Minh City arrives in Hanoi in the happiness of the capital city’s people, officially marking the launch of the North-South rail route, Jan. 4, 1977. (Photo: VNA)|
|Prime Minister Pham Van Dong and Lao Prime Minister Kaysone Phomvihane sign the Vietnam-Laos Treaty of Amity and Cooperation in Vientiane, July 18, 1977. (Photo: VNA)|
|Vietnam joins the United Nations on September 20, 1977. This is a historical milestone, marking the world’s largest organisation and international community’s recognition of Vietnam, a peaceful, united, independent, free and democratic country. (Photo: VNA)|
|Party General Secretary Le Duan, Prime Minister Pham Van Dong and General Secretary of the Soviet Communist Party Central Committee sign the Vietnam-Soviet Treaty of Friendship and Cooperation in Kremlin Palace in Moscow, November 4, 1978. (Photo: VNA Archives)|
|Soldiers fight in the southwestern border battle field, 1978. (Photo: VNA Archives)|
|Public security forces join in defending the Dong Dang fortress in Lang Son during the northern border defence war, February 1979. (Photo: VNA)|
|Acting President Nguyen Huu Tho signs an order to announce the new Constitution, December 1980. (Photo: VNA)|
|Vietnamese astronaut Pham Tuan and Soviet Union cosmonaut Viktor Gorbatko make a spaceflight at 21:33:3 (Moscow time) on July 23, 1980 under the Vietnam-Soviet Intercosmos cooperation programme. (Photo: VNA)|
The First Congress of the Communist Party of Vietnam took place from March 27-31, 1935, marking the restoration of party organisations from the central to local levels, from home to abroad and at the same time unifying revolutionary movements.
The second National Party Congress took place from February 11 to 19, 1951 in Vinh Quang Commune, Chiem Hoa District, Tuyen Quang Province.