Susan Pola Staples’s Reviews > King Sejong the Great: The Everlasting Light of Korea > Status Update
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Susan Pola Staples
is on page 125 of 170
King Sejong invented Hangul, an alphabet that he hoped would benefit ALL his subjects, especially the poor.
— Sep 24, 2025 09:05AM
Susan Pola Staples
is on page 71 of 170
Korea under Sejong had developed the pluviometer or rain gauge by 200 years.
— Sep 24, 2025 08:32AM
