Wed, Mar 05, 2014 at 9:43 AM
A nuclear treaty goes into effect, and Lake Champlain becomes 'Great.'
Wed, Mar 05, 2014 at 9:29 AM
Hernando Cortez arrives in Veracruz, and a natural gas pipeline explodes in Louisiana.
Wed, Mar 05, 2014 at 9:31 AM
The U.S. Department of the Interior and the U.S. Geological Survey are founded.
Mon, Mar 03, 2014 at 4:22 PM
A new national park opens, and a conference that dismisses climate change is held.
Fri, Feb 28, 2014 at 8:17 AM
An environmentalist frees dolphins in Japan and a large ice shelf breaks free of Antarctica.
Sun, Mar 02, 2014 at 11:15 PM
Yellowstone National Park is established, and a hydrogen bomb is detonated.
Thu, Feb 27, 2014 at 8:19 AM
The U.S. government release nuclear waste documents and an EPA chief resigns.
Wed, Feb 26, 2014 at 8:17 AM
'Buffalo Bill' is born and multiple National Parks are established in the United States.
Tue, Feb 25, 2014 at 8:16 AM
Fishing is banned in the Hudson River, and Al Gore wins an Academy Award.
Mon, Feb 24, 2014 at 8:23 AM
The New York Times ponders a new Ice Age, and a Sea World trainer is killed.