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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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22 apr 1970 anni - The first Earth Day is celebrated, raising national awareness about environmentalism
Aggiunto al nastro di tempo:
Environmental Science timeline
By
Megan
14 set 2017
0
0
823
Data:
22 apr 1970 anni
Adesso
~ 55 years ago
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