British explorer Henry Hudson discovered Delaware Bay.
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Half a million people in South East England were left without electricity.
Nature magazine published findings of a 3.8-million-year-old skull found in Ethiopia, which questioned our previous theories of human evolution.
Sandwich restaurant Subway was founded in Bridgeport, Connecticut, US.
The Slave Abolition Act was passed and came into effect the following year on August 1.
Greta Gerwig's Barbie became Warner Bros. highest-grossing film of all time with $1.34 billion in revenue.
