Nelson Mandela was sworn in as South Africa’s first black president.
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US Geological Survey issued a statement revealing that 39 Montana glaciers have reduced in size from 39 to 85 percent in the last 50 years.
Uber became a public company, opening on the New York Stock Exchange.
An atomic submarine circumnavigated the globe.
The USSR attempted to launch an uncrewed spacecraft to Mars.
The Golden Spike was driven.