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1980

Mount St. Helens erupts

At 8:32 a.m. PDT on this day in 1980, Mount St. Helens, a volcanic peak in southwestern Washington, erupts, killing 57 people and devastating some 210 square miles of wilderness. Called Louwala-Clough, or "the Smoking Mountain," by Native Americans, Mount St. Helens is located in the Cascade Range and stood 9,680 feet before its eruption. The volcano has erupted periodically during the last 4,5... Read more >

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2005

Pluto de-classified as a planet

No, Not The Cartoon Dog

Poor old Pluto. Once a top dog (in planetary terms) it turned out that it wasn’t really a planet at all and there was plenty of stuff much bigger than it floating about in the solar system. So it got relegated from ‘actual planet’ (sort of like the Champion’s League) to the more modestly titled ’dwarf planet’ (The Conference). But, des... Read more >