2 jul 1957 ano - Antarctic Treaty

Descrição:

The Antarctic Treaty was signed in Washington on 1 December 1959 by the twelve countries whose scientists had been active in and around Antarctica during the International Geophysical Year (IGY) of 1957-58. It entered into force in 1961 and has since been acceded to by many other nations. The total number of Parties to the Treaty is now 53.

http://www.ats.aq/e/ats.htm

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