Earth Day has been celebrated in the United States since April 22, 1969. Earth Day 2009 marks the 40th anniversary.
April 22,1985
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Wisconsin. See reference below. ~ TCK, AZNews results for What is the history of "Earth Day"?Telegraph.co.ukEarth Day 2010: A Brief History of Earth Day and a Look Back at 40 ...‎ -2 hours agoEarth Day is intended to inspire awareness and appreciation for the Earth's environment. It was founded by US Senator Gaylord Nelson of Wisconsin as an ... Gather.com - 896 related articles »The DIY Genius of the Original Earth Day‎ - Wired News - 398 related articles »
the purpose for earth day is to help save the earth
Earth Day was first observed on April 22, 1970, when an estimated 20 million people nationwide attended the inaugural event. Senator Gaylord Nelson promoted Earth Day, calling upon students to fight for environmental causes and oppose environmental degradation with the same energy that they displayed in opposing the Vietnam War.
Earth Day was 1st celebrated April 22, 1970.
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CARICOM Day is observed in some CARICOM Member States on the first monday in July
Labor Day is observed in all 50 states on the first Monday in September.
1980
No one first observed Saturn. It has been visible since man first walked on the Earth and looked up into the sky. Well before 1610
1868
1868
1367
If you are a Christian, then the first day of the earth was Monday
Venus
1980