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Declaration of the United Nations Conference on the Human Environment (5 maio 1972 ano – 15 maio 1972 ano)

Descrição:

Stockholm Conference takes place and 26 principles are developed.

Adicionado na linha do tempo:

Contemporary history

30 nov 2018

0

0

629

Data:

5 maio 1972 ano

15 maio 1972 ano

~ 10 days

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