Italian astronomer Giovanni Donati became the first person to observe the spectrum of a comet.
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British graffiti artist Banksy created the first in a series of animal artworks in London.
Henry I took to the throne as he was crowned King of England at Westminster Abbey, London.
Flagellation, also known as flogging, whipping, or lashing, was banned by the US Army.
The Soviet spacecraft Mars 6 was launched.
Nelson Mandela returned to South Africa and was arrested for illegally leaving the country.
