Submarines might seem likemodern marvels, but the first designs date back to1620, when Dutch inventorCornelis Drebbelbuilt awooden, leather-covered vesselthat could travel20 feet underwater!
During theAmerican Revolution, theTurtle, a one-person hand-powered sub, was used to try and attack British ships. ByWorld War I and II, submarines became crucial fornaval warfare and exploration.
Today’s submarines aren’t just for military use—they play key roles inscientific research,deep-sea exploration, and evensearching for lost shipwrecks!