The Pink Star Diamond sold for a record USD 71 million in Hong Kong.
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Thousands of anti-government protesters disrupted Hong Kong International Airport.
Protestors took to the streets in Hong Kong after the government announced a ban on face masks.
Cathay Pacific Airways, Hong Kong's flagship airline, was founded.
The world's longest over sea bridge opened in China.
The UK returned Hong Kong's control back to China after 156 years of British rule.
