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Yi Seonggye is crowned king officially beginning the Joseon.
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Capital moved to Hanyang (modern day Seoul).
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Paper currency intiated.
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High military service examination system created.
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Hall of Worthies established.It had talented scholars and instructed them to conduct a variety of research activities to strengthen his rule and the nation.
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History of Goryeo complied after nearly a century after the fall.
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Nongsa-jikseol the first book about Korea farming, dealing with agricultural subject such as planting, harvesting and soil treatment.
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World's first rain gauge named cheugugi.
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Sejong composed the first written work in Hangul " Yongbi Eocheon Ga" ("Songs of Flying Dragons", 1445).
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The Hangul alphabet is promulgated by King Sejong the Great.
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The Japanese invasion of Korea begins under the command of Toyotomi Hideyoshi. Admiral Yi Sun-Sin employs the Turtle ship to repel Japanese naval forces.
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Te first Manchu invasion occurred when Hong Taiji led the Manchu army against Korea's Joseon dynasty.
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The second Manchu invasion happens in 1636, when the Manchu Qing Empire defeated Korea's Joseon dynasty causing it to recognize the Qing Empire as the rightful dynasty of China.
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Dutch ship, with Captain Hendrick Hamel, wrecked on Jeju Island.
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Persecution of Catholicism begins.