Collaborate without boundaries
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About the OAS

The Organization of American States (OAS) is the world’s oldest regional organization, dating back to the First International Conference of American States, which was held in Washington, D.C. from October 1889 to April 1890.  At that conference, the establishment of the International Union of American Republics was approved and the stage was set for the weaving together of a web of provisions and institutions that came to be known as the inter-American system, the oldest of the international institutional systems.

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