Sejong the Great

King Sejong the Great, one of only two Korean rulers to receive the prefix of “The Great”, was known for his military acumen, scholarly intellect, and concern for his people.

Featured on the 10,000 won note (pictured above), his promotion of science and technology led to the invention of the first rain gauge and improvements on water clocks, sundials, and the Korean calendar system. His most significant invention was that of  hangul, the Korean phonetic alphabet, which led to a large increase in literacy.



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Information sources:

http://asiasociety.org/king-sejong-great
http://asianhistory.about.com/od/southkorea/p/Sejong-the-Great-of-Korea.htm

Photo Credits / Sources:

By The Bank of Korea 한국은행 [South Korean currency], via Wikimedia Commons