Colombia and Panama seeing the events in their neighbors Brazil, Argentina, Peru and Paraguay, formed the South American League at the 1965 Bogata conforence. It was soon is joined by Ecuador in 1965.5. Peru joimed in 1967.

The member nations.
Nation. Year of joining. Year of leaving.
Colombia 1965 -
Panama 1965 -
Ecuador 1965.5 -
 Peru 1967 -
Bolivia 1969 -
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