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The first Earth Day in the U.S. was celebrated on what day, including the year. Was it April 22, 1970, September 3, 1990, or May 1, 1940
What is April 22, 1970.
Fun facts about Earth Day: The first Earth Day celebration in the U.S. resulted in 20 million Americans participating in peaceful demonstrations to show their support for environmental reform.
On the first Day in the U.S., 2,000 colleges and universities participated, along with 10,000 primary and secondary schools.