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Philadelphia committee led by Benjamin Franklin attempts to regulate waste disposal and water pollution.
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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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Women Rights To Vote
When women where allowed to vote. -
The great Depression
The Great Depression was a worldwide economical crash. It was the worst and longest period of unemployment and low business activity in the 1900's. -
WW2
World War 2 happened when Adolf Hitler invaded Poland causing England and France to declare war against Germany. -
Pearl Harbour
Japanese warplanes attack US fleet at Pearl Harbour in Hawaii, leading to US joining World War II against the Axis powers. -
Rachel Carson publishes Silent Spring
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The Apollo 8 picture of Earthrise
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First Moon Landing
On July 20, and amazing thing happened! At 03:17:40 pm, EST. The Apollo 11 spacecraft had landed on the moon with three men, Neil Armstrong, Michael Collins, and Edwin Aldrin. -
Earth Day – April 22., 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. rejects the Kyoto Protocol
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The Attacks
On Tuesday, Sept. 11, 2001, terrorists hijacked (took over) four commercial airplanes. They flew two of the airplanes into the towers of the World Trade Center in New York -
First Black President of the United States.
Democratic Senator Barack Obama becomes the first black president of the United States. -
Death of Osama Bin Laden
After the 9/11 attacks, the U.S. tried very hard to find whoever contributed to the attack. Osama was a big contributed, so the U.S. was trying to find him. -
Trump became president.
President Trump became president -
Chinese Hackers
US accuses Chinese hackers of massive breach of personal data of nearly four million government workers. China denies any role.