Thu, Apr 10, 2014 at 8:17 AM
The first Arbor Day is observed, and Barnum and Bailey circus has 'unicorns'.
Wed, Apr 09, 2014 at 8:06 AM
A tornado wipes out two towns, and nine companies are accused of killing streetcars.
Tue, Apr 08, 2014 at 8:17 AM
Voyageurs National Park is established and the Sacramento Bee wins two Pulitzer Prizes.
Mon, Apr 07, 2014 at 8:12 AM
William Wordsworth is born, and Robert E. Peary reaches the North Pole.
Fri, Apr 04, 2014 at 8:17 AM
Lois Marie Gibbs begins her fight against toxic waste, and the Dalia Lama speaks about poaching.
Fri, Apr 04, 2014 at 8:15 AM
Mount Tambora erupts, and scientists warn of garbage patches forming in the ocean.
Fri, Apr 04, 2014 at 8:13 AM
ASARCO is founded, and an earthquake rattles India's Himalayan region.
Thu, Apr 03, 2014 at 8:19 AM
Iron Eyes Cody is born, and 48 twisters touch down in 24 hours.
Wed, Apr 02, 2014 at 8:52 AM
The Love Canal is reported as toxic, and the EPA is allowed to regulate greenhouse gases.
Wed, Apr 02, 2014 at 8:50 AM
Bisphenol-A is found to be hazardous, and the world's largest marine sanctuary opens.