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When Earth day celebrated first time?

/ General Knowledge MCQs, MCQs / Q&A / By
When Earth day celebrated first time?A. 22, April 2005
B. 22, April 1998
C. 22, April 1969
D. 22, April 1970

The first Earth Day. Earth Day, an event to increase public awareness of the world’s environmental problems, is celebrated in the United States for the first time on April 22, 1970