The September 1966 Commonwealth Prime Ministers' Conference was the 16th

Meeting A meeting is when two or more people come together to discuss one or more topics, often in a formal or business setting, but meetings also occur in a variety of other environments. Meetings can be used as form of group decision-making. Definiti ...

of the

Heads of Government In the executive branch, the head of government is the highest or the second-highest official of a sovereign state, a federated state, or a self-governing colony, autonomous region, or other government who often presides over a cabinet, a ...

of the

Commonwealth of Nations The Commonwealth of Nations, often referred to as the British Commonwealth or simply the Commonwealth, is an International organization, international association of member states of the Commonwealth of Nations, 56 member states, the vast majo ...

. It was held in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

and was hosted by that country's

Prime Minister A prime minister or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. A prime minister is not the head of state, but r ...

Harold Wilson James Harold Wilson, Baron Wilson of Rievaulx (11 March 1916 – 23 May 1995) was a British statesman and Labour Party (UK), Labour Party politician who twice served as Prime Minister of the United Kingdom, from 1964 to 1970 and again from 197 ...

. The conference was dominated by the rebellion of the British colony of

Rhodesia Rhodesia ( , ; ), officially the Republic of Rhodesia from 1970, was an unrecognised state, unrecognised state in Southern Africa that existed from 1965 to 1979. Rhodesia served as the ''de facto'' Succession of states, successor state to the ...

which was under the

white minority rule In political science, minoritarianism (or minorityism) is a neologism for a political structure or process in which a minority group of a population has a certain degree of primacy in that population's decision making, with legislative power or j ...

regime of

Ian Smith Ian Douglas Smith (8 April 191920 November 2007) was a Rhodesian politician, farmer, and fighter pilot who served as Prime Minister of Rhodesia (known as Southern Rhodesia until October 1964 and now known as Zimbabwe) from 1964 to 1979. He w ...

. Facing the possible collapse of the Commonwealth, with African states threatening to leave the association if action wasn't taken against Rhodesia, Britain agreed to a policy of

No independence before majority rule No independence before majority rule (abbreviated NIBMAR) was a policy adopted by the British government requiring the implementation of majority rule in a colony, rather than rule by the white colonial minority, before the empire granted inde ...

(NIBMAR). The Commonwealth issued an ultimatum declaring that if the Smith regime did not comply by the end of the year Britain, with Commonwealth support, would seek mandatory sanctions against Rhodesia by the

United Nations The United Nations (UN) is the Earth, global intergovernmental organization established by the signing of the Charter of the United Nations, UN Charter on 26 June 1945 with the stated purpose of maintaining international peace and internationa ...

. The Commonwealth also issued a statement calling for

nuclear disarmament Nuclear disarmament is the act of reducing or eliminating nuclear weapons. Its end state can also be a nuclear-weapons-free world, in which nuclear weapons are completely eliminated. The term ''denuclearization'' is also used to describe the pro ...

and deploring

nuclear weapons testing Nuclear weapons tests are experiments carried out to determine the performance of nuclear weapons and the effects of Nuclear explosion, their explosion. Nuclear testing is a sensitive political issue. Governments have often performed tests to si ...

by France and China.

Participants

The following nations were represented:

References

{{Commonwealth Heads of Government Meetings

1966 Events January * January 1 – In a coup, Colonel Jean-Bédel Bokassa takes over as military ruler of the Central African Republic, ousting President David Dacko. * January 3 – 1966 Upper Voltan coup d'état: President Maurice Yaméogo i ...

Diplomatic conferences in the United Kingdom 20th-century diplomatic conferences 1966 in international relations 1966 conferences September 1966 in the United Kingdom 1966 in London Events in London Harold Wilson