It is written in the [[Hangul]] alphabet, which was created by [[Sejong|King Sejong]] in the 15th century to increase literacy. However, hangul wasn't formally adopted until the early 20th century. Sometimes, Korean uses [[Chinese character]]s (''hanja''), which are most commonly used in personal names on name tags and signs and historical texts. They are also used to specify the meaning of certain words because the corresponding writing in Hangul is unclear. | It is written in the [[Hangul]] alphabet, which was created by [[Sejong|King Sejong]] in the 15th century to increase literacy. However, hangul wasn't formally adopted until the early 20th century. Sometimes, Korean uses [[Chinese character]]s (''hanja''), which are most commonly used in personal names on name tags and signs and historical texts. They are also used to specify the meaning of certain words because the corresponding writing in Hangul is unclear. |