@bookcareer: ​"The World's First Ironclad: The Korean Turtle Ship (Geobukseon). 🐢🚢" ​Designed in the 16th century, this revolutionary warship featured a spiked roof to prevent boarding and cannons on all sides for 360-degree attacks. A true masterpiece of naval engineering that protected Korea during its darkest hours. ​#Geobukseon #TurtleShip #KoreanHistory

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Saturday 25 April 2026 11:23:00 GMT