Well, we went to War memorial museum and studied about Korean Wars. We studied about 4 big wars, Hwarang, Lee sunshin, Turtle ship, smoke signal station, and Hasung.

     To begin, Korea's first war is goguryeo and Sui China's fight. The general was Wu jong-moon. But goguryeo also had a great general, Eul-ji-moon-deok. He made the Sui army tired, and made them drown into the river.

     Korea's second war is Hawgsanbal war about Silla and Beokje. Silla had the general, Kim yushin, and Beokje had the general, Kebeok. At the end, Silla wins.

     Korea's third war is about Goryeo and Mongol. Goryeo made palmandejounggyoung when fighting with Mongol. Mongol attacked Goryeo. Goryeo's king surrendered, but sam-byeol-cho had last fight with Mongol. But, they lost.

     And now, we will talk about Hasung. Hasung is made from Joung Jo King. Hasung is easy to protect than others.

     Another is Hwarang. Hwarang is a elite group that moves with nangdo. Hwarang became warriors later, that gave a lot of help for unification.

     Let's talk about smoke signal station. Smoke signal station is called bong-soo. Bong-soo can talk to a long distance. 1 smoke is normal, and 2 smoke is the enemy is preparing for war. 3 smoke is the enemy is near the boarder, 4 smoke is the enemy crossed the boarder, and 5 smoke is it is time to fight.

     Finally, I will talk about Imjin war/Lee sunshin/Turtle ship. Imjin war is about Japan and Joseon. Japan attacked Joseon that was very surprised. Because of Lee sunshin, we could stop Japan. But Lee sunshin didn't did all. When Ru sungreong didn't exist, Lee sunshin could not be a great general. So it means Ru sungreong is like a teacher of Lee sunshin. The worldwide 4th big Sea victory is 1, Themistocles and Salamis.  The 2nd victory is Howard and Calais, and 3rd is MyeongLang War. The final victory is Nelson and trapalgar. And Nelson is a famous general, that attacked Napoleong's 30 ship. This war is very famous in Europe, but in eastAsia, Imjin war is famous because after Imjin war, the countries were changed. So I should say turtle ship for last. Turtle ship is made from Lee sunshin, and the mouth was for killing the general. It had a spike over it. And it is first ironclad ship in the world.

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