Bill Gates and Paul Allen founded Microsoft.
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New York City's Twin Tower World Trade Center was officially opened.
The 21st Commonwealth Games officially began on the Gold Coast, Queensland, Australia.
Moscow was mentioned for the very first time in historical records when two princes met there for a great banquet.
Elon Musk bought a 9.2% stake in Twitter, amounting to $2.9 billion.
NASA's Challenger Space Shuttle was launched from Florida on its maiden voyage.
