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Organizations

Institutions, agencies, and groups that shape the world.

The Organization of American States headquarters building in Washington, D.C.

Organization of American States

The Organization of American States (OAS) is a regional organization that brings together all 35 independent states of the Americas, with its headquarters in Washington, D.C. It describes itself as the world’s oldest regional organization and as the main political, juridical and social governmental forum in the Western Hemisphere. History of the OAS Some scholars

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The OAS is a regional organization of 35 American states, based in Washington, D.C., focused on democracy, human rights, security and development.

An Oxfam charity shop in Dublin

Oxfam

Oxfam is an international confederation of charities that works to reduce poverty and injustice through emergency relief, long-term development, advocacy and campaigning. Its name comes from the Oxford Committee for Famine Relief, founded in Britain in 1942, and Oxfam International was formed in 1995. History of Oxfam The Oxford Committee for Famine Relief was founded

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Oxfam is an international confederation of charities, begun as the Oxford Committee for Famine Relief in 1942, that fights poverty and injustice.

Carlton House Terrace in London, including the entrance to the Royal Society

Royal Society

The Royal Society is the national academy of sciences of the United Kingdom and a fellowship of many of the world’s most eminent scientists. Founded in London in 1660, it describes itself as the oldest scientific academy in continuous existence. History of the Royal Society The Royal Society grew from informal gatherings of London and

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The Royal Society is the United Kingdom's national academy of sciences, a fellowship of eminent scientists founded in London in 1660.

The Smithsonian Institution Building, known as the Castle, in Washington, D.C.

Smithsonian Institution

The Smithsonian Institution is a museum, education and research complex in the United States made up of 21 museums, the National Zoological Park and a set of research facilities. It was founded in 1846 with money left by the Englishman James Smithson, and it holds an estimated 157 million objects, works of art and specimens.

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The Smithsonian Institution is a United States museum, education and research complex of 21 museums and a national zoo, founded in 1846 from James Smithson's bequest.

UNESCO headquarters building in Paris

UNESCO

UNESCO, the United Nations Educational, Scientific and Cultural Organization, is the United Nations agency that promotes international cooperation in education, the sciences, culture, communication and information in order to contribute to peace and security. It was created by a constitution agreed in London in November 1945 and is best known for its World Heritage List.

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UNESCO is the United Nations agency that promotes international cooperation in education, science, culture and communication to build peace.

Relief supplies from UNICEF and partners delivered to a school damaged by Cyclone Winston in Tailevu, Fiji

UNICEF

UNICEF, the United Nations Children’s Fund, is the United Nations agency that works to protect the rights of every child, especially the most disadvantaged and those hardest to reach. It was established in 1946 in the aftermath of the Second World War and now operates in more than 190 countries and territories. History of UNICEF

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UNICEF is the United Nations agency that protects the rights of every child, providing health, nutrition, education and emergency aid in over 190 countries.

United Nations Secretariat Building in Manhattan, New York City, seen from the East River

United Nations

The United Nations (UN) is an international organization of 193 member states, founded in 1945 to maintain international peace and security, protect human rights and promote cooperation on economic, social and humanitarian problems. It is the one body in which almost every country has a seat and a vote, which gives its decisions unusual legitimacy

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The United Nations is an international organization of 193 member states, founded in 1945 to keep peace and foster global cooperation.

The United Nations Security Council chamber at UN headquarters in New York City

United Nations Security Council

The United Nations Security Council is the organ of the United Nations with primary responsibility for maintaining international peace and security. It has 15 members, five of them permanent with veto power, and it is the only UN body whose decisions member states are obligated to carry out under the Charter. History of the Security

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The UN Security Council has 15 members, five with veto power, and holds primary responsibility for international peace and security.

Conference at the Council of Ministers Palace in Warsaw during which the Warsaw Pact was signed in May 1955

Warsaw Pact

The Warsaw Pact, formally the Warsaw Treaty Organization, was a political and military alliance established on 14 May 1955 between the Soviet Union and several Eastern European countries. It was created as a counterweight to the North Atlantic Treaty Organization (NATO), and it was disbanded in 1991 near the end of the Cold War. History

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The Warsaw Pact was a Soviet-led military alliance of Eastern European states founded in 1955 as a counterweight to NATO and disbanded in 1991.

Lounge and meeting hall in a Wikimedia Foundation office in San Francisco

Wikimedia Foundation

The Wikimedia Foundation is the American nonprofit organization that hosts and protects Wikipedia and the other Wikimedia free knowledge projects. Founded in 2003, it is a United States 501(c)(3) tax-exempt charity, and it leaves decisions about what articles say to volunteer editors. History of the Wikimedia Foundation The Foundation says it was founded in 2003.

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The nonprofit organization, founded in 2003, that hosts and protects Wikipedia and other Wikimedia projects while volunteers write their content.