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    The first sunglasses were worn by Chinese judges in the form of smoke coloured quartz lenses, used to hide their eye expressions in court.

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India launched their first satellite

On thje 19th April, 1975, the first Indian satellite, Aryabhatta, was launched.

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  • On 14th February, 1980, The Solar Maximum Mission satellite was launched, which studied solar flares... Read more »
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