918 The Goryeo dynasty is founded.
1270 Goryeo comes under the structural, military, and administrative influence of the Mongol Yuan dynasty.
1392 Yi Sŏngyye founds the Chosŏn dynasty.
1420 King Sejong founds the Chiphyŏn-jŏn research institution.
1445 A 365-volume medical encyclopedia is published.
1447 The first work printed in Han’gŭl is published.
1542 The first sŏwŏn private academy opens. The academies become centers of debate and house neo-Confucian texts.
1910 Japan annexes Korea and deposes the last Chosŏn ruler.
In 1443, the Korean court of King Sejong announced the creation of Han’gŭl, a national alphabet ...