The official language of South Korea is 'Korean (한국어)'.
Korean is an agglutinative language. Historically, it was marked with Chinese characters and incorporated Chinese into its vocabulary. Chinese characters have long occupied the status of mainstream texts in Korea. In October 1446, the fourth monarch of the Joseon Dynasty, King Sejong the Great The promulgation of 'Hunminjeongeum' by Li Yu marked the birth of Hangeul, and since then ended the history of South Korea without its own characters and borrowing Chinese characters for marking.
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