Britain voted to leave the European Union.
The UK is the only country to formally leave the EU.
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The FDA approved the first oral contraceptive pill called Enovid.
John Jacob Astor established the Pacific Fur Company.
A 12-inch-deep hailstorm in Kansas became one of the US' most expensive hailstorms.
Sonic the Hedgehog was released for the Sega Genesis in North America.
NASA's Mars Odyssey completed its 60,000th orbit around Mars.
