US Congress released a US flag that featured 20 stars and 13 red and white stripes.
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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.
Beyoncé and Jay-Z married with only 40 guests present on their special day.
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.
