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    Cheming gum was patented by a dentist! William Semple patented his early rubbery gum in 1869.

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The Boeing 727 jet first took to the sky

On the 9th February, 1963, the Boeing 727 commercial jet aircraft flew for the first time.

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  • On 8th February, 1933, The Boeing Model 247 aircraft first took to the sky... Read more »
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