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    The Exxon Valdez oil spill ranks way back at #34 of the world’s worst oil spills.

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Karl Elsener first patented the Swiss army knife

On the 12th June, 1897, Karl Elsener first patented his “useful pocket tool”, which we now know as the Swiss army knife.

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  • On 17th August, 1993, The Platform Steerable Skateboard was patented... Read more »
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