Italian astronomer Giovanni Donati became the first person to observe the spectrum of a comet.
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Nelson Mandela returned to South Africa and was arrested for illegally leaving the country.
Volkswagen launched the Flying Tiger, its first working prototype flying car.
The Soviet spacecraft Mars 6 was launched.
The Ambato earthquake destroyed fifty towns in Ecuador and killed over 6,000 people.
The world's first lab-grown bovine stem cell burger was consumed in London.
