Cambodia

Details

Organization Timeline

Secret U.S. bombing of Cambodia begins

📅 18 March 1969

The United States began the secret Operation Menu bombing of Cambodian border areas. The campaign violated Cambodian neutrality and intensified conflict across Indochina; estimates of civilian...

Lon Nol takes power in Cambodia amid regional escalation

📅 18 March 1970

Cambodia’s National Assembly removed Prince Norodom Sihanouk and Lon Nol assumed power. The change reshaped regional politics and preceded the U.S.-South Vietnamese incursion; Cambodian sovereignty...

Nixon authorizes the Cambodian ground campaign

📅 26 April 1970

A U.S. directive authorized the deployment of U.S. and South Vietnamese ground forces into Cambodia. The campaign widened the war into a formally neutral state and provoked intense opposition in the...

U.S. and South Vietnamese forces enter Cambodia

📅 30 April 1970

Nixon announced a cross-border ground incursion aimed at North Vietnamese and NLF base areas. The action broadened the war, provoked mass protests in the United States and led Congress to restrict...

U.S. bombing of Cambodia ends

📅 16 August 1973

Congressional restrictions brought U.S. bombing in Cambodia to a halt. The bombing had expanded a war rooted in Vietnam into a neighboring country and inflicted major civilian and infrastructural...

United States opens a mission in Phnom Penh

📅 11 November 1991

The United States established a mission in Cambodia after years without normal diplomatic relations. The reopening reflected the movement toward a Cambodian political settlement and an evolving U.S....

Armenia, Azerbaijan, Cambodia, and Nepal gain dialogue-partner status

📅 10 July 2015

The summit broadened the SCO’s relationship network through dialogue-partner status for four states. This created a tier of participation distinct from membership and observer status.