Bill Gates and Paul Allen founded Microsoft.
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Martin Luther King Jr. was assassinated.
Elon Musk bought a 9.2% stake in Twitter, amounting to $2.9 billion.
Adolf Hitler formed the Schutzstaffel, the infamous paramilitary organization known to most as the SS.
The Kangra earthquake in India killed over 20,000 people.
The Pink Star Diamond sold for a record USD 71 million in Hong Kong.
