Vietnam and the Soviet Union sign a Treaty of Friendship and Cooperation

The National Assembly declared the unified state to be the Socialist Republic of Vietnam and renamed Saigon Ho Chi Minh City. Formal reunification realized a long-standing national project. Postwar...

The Fourth National Congress of the Workers’ Party began, setting economic and political priorities for postwar reconstruction. The leadership framed rebuilding as a national task, but war damage,...

At the close of the Fourth Congress, the Workers’ Party adopted the name Communist Party of Vietnam. The decision consolidated the political structure of the reunified state after decades of...

The United Nations admitted reunified Vietnam as a member state. Membership marked international recognition after decades of colonial war and U.S. intervention, while Vietnam faced postwar...

The General Assembly admitted the Socialist Republic of Vietnam to the United Nations. Membership recognized Vietnam as a sovereign state in international institutions after decades in which...

The treaty formalized close strategic ties between Vietnam and the Soviet Union. It came amid tensions with China and regional conflict, reflecting how postcolonial Vietnam navigated security and...

Vietnamese forces entered Cambodia after years of border violence and Khmer Rouge attacks. The intervention overthrew the Democratic Kampuchea government in January 1979, ending its genocidal rule,...

Vietnamese forces crossed into Cambodia amid escalating border attacks by the Khmer Rouge. The intervention ended Khmer Rouge rule in Phnom Penh but became a long occupation and a new conflict;...

The Cambodian capital fell to forces supported by Vietnam, ending the Democratic Kampuchea government. The intervention stopped the Khmer Rouge’s rule but began a decade of Vietnamese military...

Vietnamese forces and Cambodian allies entered Phnom Penh, ending Khmer Rouge control of the capital. The change halted the regime’s rule there, but war, displacement, famine, and international...