April 28th marks the birthday of Admiral Yi Sun-sin, arguably the most legendary figure in Korean history. 🎂 If you’ve ever traveled to Korea or explored its culture, you’ve likely come across his name. In honor of his birth, I’d like to introduce you to the man who saved a nation. 🐢 Mastermind Behind the 'Turtle Ship' (Geobukseon) Admiral Yi commanded the world's first armored warships, known as Turtle Ships. With a roof covered in iron spikes to prevent enemy boarding, th