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The American Revolution.
ideological and political revolution that occurred in British America -
Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
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Declaration of Independence
the pronouncement and founding document adopted by the Second Continental -
Constitution of the United States of America
it delineates the national frame and constraints of government. -
Whiskey Rebellion
was the first tax imposed on a domestic product by the newly formed federal government -
Louisiana Purchase
approximately eighteen dollars per square mile, the United States nominally acquired a total of 828,000 sq mi in Middle America. -
The War of 1812
the United States of America and its indigenous allies against the United Kingdom and its allies in British North America -
Battle of New Orleans
the United States Army under Brevet Major General Andrew Jackson, roughly 5 miles southeast of the French Quarter of New Orleans, in the current suburb of Chalmette, Louisiana. -
Monroe Doctrine
The Monroe Doctrine is the best known U.S. policy toward the Western Hemisphere. -
Era of the Common Man
Andrew Jackson, despite his high office, became emblematic of the common man because he came from humble beginnings. -
Henry David Thoreau publishes Walden
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The term ecology is coined in German as Oekologie by Ernst Heinrich Philipp August Haeckel
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The term acid rain is coined by Robert Angus Smith in the book Air and Rain
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The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution
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US Congress created the National Park Service
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The term smog is coined by Henry Antoine Des Voeux in a London meeting to express concern over air pollution
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Rachel Carson publishes Silent Spring
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The Apollo 8 picture of Earthrise
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The Moon Landing
A Moon landing is the arrival of a spacecraft on the surface of the Moon. -
First Earth Day – April 22. Millions of people gather in the United States for the first Earth Day. US Environmental Protection Agency established
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Montreal Protocol on substances that deplete the ozone layer entered into force
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The Kyoto Protocol was negotiated in Kyoto, Japan in December. Countries commit to reduce their emissions of carbon dioxide
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U.S. rejects the Kyoto Protocol
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U.S. announces it will cease participation in the Paris Agreement on climate change mitigation
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U.S. announces it will rejoin the Paris Agreement on climate change mitigation