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TIL more than 400 years ago, Dutch inventor Cornelis Drebbel built a working submarine and navigated it beneath the River Thames. Around 1620, he even took King James I of England along for an underwater ride, making James the first monarch to travel in a submarine.

#3 当前排名Reddit · todayilearned 9月10日 UTC 16:00

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Dutch inventor Drebbel built a working submarine in 1620 and took King James I underwater.

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