22 abr 1970 ano - earth day
Descrição:
April 22, 1970,
Earth Day was founded by United States Senator Gaylord Nelson as an environmental teach-in first held on April 22, 1970. the hope was that earth day would have only a few thousand people the first year and then expand as the years went on. April 22, 1970 over a million people showed up.
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