Hangul - Wikipedia
https://en.wikipedia.org/wiki/HangulKoreans primarily wrote using Classical Chinese alongside native phonetic writing systems that predate Hangul by hundreds of years, including Idu script, Hyangchal, Gugyeoland Gakpil. However, many lower class Koreans were illiterate due to fundamental differences between the Korean and Chinese languages, and the large number of Chinese characters. To promote literacy a…
Origin of Hangul - Wikipedia
https://en.wikipedia.org/wiki/Origin_of_hangulThe choub alphabet or square Tibetan (phagspa) could offer some distant analogy for some of the consonants of the Korean alphabet. The linguist Gari Ledyard studied potential links between ʼPhags-pa and Hangul, however, and believed that the influence of ʼPhags-pa, if any, was very limited: It should be clear to any reader that in the total picture, that [ʼPhags-pa script's…