British explorer Henry Hudson discovered Delaware Bay.
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The Slave Abolition Act was passed and came into effect the following year on August 1.
Tokyo celebrated the country's first LGBTQ+ pride parade.
Toyota Motor Corporation was founded after operating as a division of Toyoda Automatic Looms for six years.
Martin Luther King Jr. delivered his historic 'I Have a Dream' speech at the Lincoln Memorial.
Nature magazine published findings of a 3.8-million-year-old skull found in Ethiopia, which questioned our previous theories of human evolution.
