Moscow was mentioned for the very first time in historical records when two princes met there for a great banquet.
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The Pink Star Diamond sold for a record USD 71 million in Hong Kong.
US Congress released a US flag that featured 20 stars and 13 red and white stripes.
Elon Musk bought a 9.2% stake in Twitter, amounting to $2.9 billion.
New York City's Twin Tower World Trade Center was officially opened.
Jack Ma founded Alibaba Group Holding Limited.
