The Pink Star Diamond sold for a record USD 71 million in Hong Kong.
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Moscow was mentioned for the very first time in historical records when two princes met there for a great banquet.
Bill Gates and Paul Allen founded Microsoft.
The 21st Commonwealth Games officially began on the Gold Coast, Queensland, Australia.
New York City's Twin Tower World Trade Center was officially opened.
Finland officially joined NATO, becoming the 31st member of the security alliance.