Categories:Organizations based in Washington, D.C.,
1948 establishments in the United States,
Articles with short description,
All articles needing additional references,
1948 establishments in Colombia
Organization of American StatesOASAmerican States21 American Republic21 American Republics
The Organization of American States, or the OAS or OEA, is an international organization that was founded on 30 April 1948, for the purposes of solidarity and cooperation among its member states within the Western Hemisphere.