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Nowadays, a submarine is an entire city that can live autonomously for months away from human eyes. The history of the idea of creating a submarine dates back to the Renaissance and belongs to Leonardo da Vinci, although he was never a soldier. In his opinion, the main purpose of this device was primarily concealment, and today this remains the main factor in the attractiveness of the submarine as a weapon. The master invented the submarine towards the end of his life, in 1515. His boat was not completely submerged and was intended to sink enemy ships using a ram located on the bow - just like Captain Nemo did on his Nautilus. We do not know if Leonardo's submarine was ever built. Most likely not... #ItInteresting # Welcome, anyone who wants to support our channel can become a sponsor! / @tointeresujace7074