22 apr 1970 anni - earth day
Descrizione:
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.
Aggiunto al nastro di tempo:
Data:
22 apr 1970 anni
Adesso
~ 55 years ago