The Pink Star Diamond sold for a record USD 71 million in Hong Kong.
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NASA's Challenger Space Shuttle was launched from Florida on its maiden voyage.
Beyoncé and Jay-Z married with only 40 guests present on their special day.
New York City's Twin Tower World Trade Center was officially opened.
Finland officially joined NATO, becoming the 31st member of the security alliance.
The Kangra earthquake in India killed over 20,000 people.
