Treaties and Agreements of 1946 to 1989

was signed on 18 April 1951 by Belgium

signed in Brussels on 8 April 1965

The Geneva Conventions are a series of four international treaties (1949) and their three additional protocols that form the core of international humanitarian law.

The Vienna Convention on the Law of Treaties was adopted and opened to signature on 23 May 1969, became effective on 27 January 1980, and has been ratified by 119 sovereign states as of May 2026.

The Convention Relating to the Status of Refugees, also known as the 1951 Refugee Convention or the Geneva Convention of 28 July 1951, is a United Nations multilateral treaty originally designed to establish the legal status of displaced persons in post-World War II Europe.

The Vienna Convention on Diplomatic Relations of 1961 is an international treaty that defines a framework for diplomatic relations between independent countries.

The Marshall Plan (officially the European Recovery Program, ERP) was an American initiative enacted in 1948 to provide foreign aid to Western Europe.

Pursuant to this goal, the UN Charter was discussed, prepared, and drafted during the San Francisco Conference that began 25 April 1945, which involved most of the world's sovereign nations.

The treaty was signed in Washington, D.C., on 4 April 1949.

Between 1965 and 1968, the treaty was negotiated by the Eighteen Nation Committee on Disarmament, a United Nations-sponsored organization based in Geneva, Switzerland.

The Camp David Accords were a pair of political agreements signed by Egyptian president Anwar Sadat and Israeli prime minister Menachem Begin on 17 September 1978, following twelve days of secret negotiations at Camp David, the country retreat of the president of the United States in Maryland.

The main treaty was opened for signature on 1 December 1959, and officially entered into force on 23 June 1961.

Negotiated and drafted under the auspices of the United Nations, it was opened for signature in the United States, the United Kingdom, and the Soviet Union on 27 January 1967, entering into force on 10 October 1967.

The Helsinki Final Act, also known as Helsinki Accords or Helsinki Declaration, was the document signed at the closing meeting of the third phase of the Conference on Security and Co-operation in Europe (CSCE) held in Helsinki, Finland, between 30 July and 1 August 1975, following two years of negotiations known as the Helsinki Process.

It was the first legal instrument to codify genocide as a crime and the first human rights treaty unanimously adopted by the United Nations General Assembly on 9 December 1948, during the third session of the United Nations General Assembly.

The treaty was signed on 25 March 1957 by Belgium, France, Italy, Luxembourg, the Netherlands and West Germany, and it came into force on 1 January 1958.

The Addis Ababa Agreement, also known as the Addis Ababa Accord, was a set of compromises within a 1972 treaty that ended the First Sudanese Civil War (1955-1972) fighting in Sudan.

As part of the Ostpolitik of Chancellor Willy Brandt, the treaty was signed on 21 December 1972 in East Berlin.

The American Treaty on Pacific Settlement (also known as the Pact of Bogotá) was signed by the independent republics of the Americas gathered at the Ninth International Conference of American States in Bogotá, Colombia, on 30 April 1948.

The African Convention on the Conservation of Nature and Natural Resources (known also as Algiers Convention) is a continent-wide agreement signed in 1968 in Algiers.