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Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
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The Declaration of Independence is the pronouncement adopted by the Second Continental Congress meeting in Philadelphia, Pennsylvania,
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The Constitution of the United States is the supreme law of the United States of America. This founding document, originally comprising seven articles, delineates the national frame of government.
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The Whiskey Rebellion was a tax protest in the United States
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The Louisiana Purchase was the acquisition of the territory of Louisiana by the United States from France
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The Battle of New Orleans was fought between the British Army under Major General
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The Monroe Doctrine was a United States policy that opposed European colonialism in the Americas. It argued that any intervention in the politics of the Americas by foreign powers was a potentially hostile act against the United States.
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Andrew Jackson, the U.S. president was said to have ushered in the Era of the Common Man. But while suffrage had been broadly expanded beyond men of property, it was not a result of Jackson’s efforts.
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The Treaty of Guadalupe Hidalgo, officially titled the Treaty of Peace, Friendship, Limits and Settlement between the United States of America and the Mexican Republic,
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The Dred Scott decision was the U.S. Supreme Court's ruling that having lived in a free state and territory did not entitle an slaved person, Dred Scott, to his freedom.
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The Battle of Gettysburg, is considered the most important engagement of the American Civil War. After a great victory over Union forces at Chancellorsville.
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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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US Congress created the National Park Service
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Earth Day , millions of people gather in the United States for the first Earth Day organized by Gaylord Nelson, former senator of Wisconsin, and Denis Hayes, Harvard graduate student. 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 that ratify this protocol commit to reduce their emissions of carbon dioxide and five other greenhouse gases
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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
