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United States
Companion hub for the Wikipedia article
Intro
Wikipedia
Media
Timelines
Chronicle
Articles
Talks
Themed Timelines
World War II and the Post-War Era
Main milestones
The New Nation and Early Expansion
Economic History and Industrial Development
Civil War and Reconstruction
Foreign Policy and International Relations
Technological Advancements in Computing
Environmental and Conservation History
Colonial Settlement and American Revolution
Civil Rights Movement
Industrialization and Technological Advancements
Westward Expansion and Native American Relations
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Environmental and Conservation History
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Environmental and Conservation History
This timeline highlights the key events and policies related to environmental conservation and protection in the United States.
Yellowstone National Park
1872
The first national park in the world is established, marking a beginning in U.S. conservation efforts.
Antiquities Act
1906
Signed by President Theodore Roosevelt, this act allows the President to designate national monuments without Congressional approval.
Wilderness Act
1964
This act sets aside millions of acres of land for preservation in their natural state.
Environmental Protection Agency (EPA)
1970
The EPA is established to coordinate federal environmental efforts and enforce environmental regulations.
Other Themed Timelines
Main milestones
Civil Rights Movement
Civil War and Reconstruction
Colonial Settlement and American Revolution
Economic History and Industrial Development
Foreign Policy and International Relations
Industrialization and Technological Advancements
Technological Advancements in Computing
The New Nation and Early Expansion
Westward Expansion and Native American Relations
World War II and the Post-War Era
Show all