Question

The Organization of American States (OAS) was formed _____.

Answer 1

The Organization of American States (OAS) was formed April 30, 1948, in Colombia. Hope this helped. (I hope this was what you were looking for)

Answer 2

The Organization of American States (OAS) was founded on April 30, 1948, in Bogota, Colombia, with 21 countries signing the original charter. A precursor dates back to 1890, when 18 countries met in Washington, DC, to form the International Union of American Republics.