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The Antarctic Treaty Is Signed

Twelve countries signed the Antarctic Treaty in Washington on December 1, 1959.

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The Event

Twelve countries signed the Antarctic Treaty in Washington on December 1, 1959. It set out a framework for peaceful activity and scientific cooperation in Antarctica.

The Wider Story

The agreement addressed military activity, inspections and the handling of territorial claims. It grew from cooperation during the International Geophysical Year.

Putting the Event in Perspective

The treaty entered into force in 1961.

Reading the Historical Record

Signing did not settle every sovereignty dispute, and later environmental agreements should not be described as original provisions.

About the Historical Recreation

The accompanying visual is an illustrative reconstruction: a 1959 diplomatic signing room dissolving to a distant Antarctic scientific camp. It is not authentic archival footage, an eyewitness record or additional evidence for the event.

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